You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: My scheduled examination dates has been postponed, could you please help me with changing my recent reservation?

ASSISTANT: Sure, I will help you with that. May I know your good name?

USER: My reservation was done under the name Larry King.

ASSISTANT: Please wait for a moment.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting, I found a reservation on your name. Please share me your airport codes?

USER: My source airport code is LAX and destination airport code is CLT.

ASSISTANT: May I know your new planned journey dates?

USER: I would like to depart on Apr 5th and return on Apr 7th.

ASSISTANT: Please mention your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other preferences?

USER: No, thank you for asking.

ASSISTANT: Thank you for the details, I found a direct flight 1005 of airline Southwest, fare is 200 and class is economy. Shall I proceed with booking?

USER: Yes, please confirm the booking.

ASSISTANT: Your flight ticket has been booked.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you for visiting us.