You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Actually, my event is postponed on 01/14. Can you change my reservation dates?

ASSISTANT: Sure, may I know your name?

USER: My name is Samantha Phillips.

ASSISTANT: Please give me a minute to change your previous reservation.

USER: Sure, take your time.

ASSISTANT: Yes, I have found your previous reservation. Please provide your new traveling dates.

USER: My new travelling dates are from 01/13 to 01/15.

ASSISTANT: Ok, may I know your airport codes?

USER: My airport codes are from DTW to DFW.

ASSISTANT: Ok, please give me a minute.

USER: Yes sure, I am online.

ASSISTANT: There is a flight in JetBlue airline with price 200, can I book it?

USER: That's perfectly matching with my requirement. Please proceed with the same as you mentioned above.

ASSISTANT: Your ticket has been booked with flight number 1018.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.