Dear Sir/Madam:I am unable to retrieve past dated reservation.If this flight was on another carrier, please contact them directly for reimbursement. United cannot provide reimbursement for another airline delay and expenses incurred as a result. If this was a United flight cancellation or delay, please provide the following information for us to review further:Passenger name(s):MileagePlus/Frequent flyer number (if available):Email address:Phone number:Home address:Flight number:Flight date:Ticket number (13 digits beginning with 016):Confirmation number:Approximate departure time:Flight from:Flight to: You can find this information on your receipt. I'll be happy to respond once I review the information you provide. I appreciate you choosing United for your travel, and look forward to helping you soon.Regards,Dali JalanCorporate Customer CareCase:17777064Gracias por contactarse con United.Original Message Follows: ------------------------