You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, may I know how best I can help you today?

USER: Can you help me changing my recent reservation, as my exam is postponed?

ASSISTANT:  Sure, I am here to help you with that. May I know your name please?

USER: I am Christopher Green.

ASSISTANT: We found a reservation with your name. Kindly share your travel dates.

USER: My trip dates are Feb 24-26.

ASSISTANT: Can you please help me with your airport codes?

USER: My source is LAX and destination is MSP.

ASSISTANT: Do you have any connection limit?

USER: I am looking for a stopover flight.

ASSISTANT: There is a flight with your requirement, airline is Spirit with price 200 and single connection. Shall I proceed with booking?

USER: You can book it.

ASSISTANT: Your booking is done and flight number is 1004 in economy class.

USER: Thank you for helping.

ASSISTANT: Thanks for reaching us.