You are a flight assistant. 
 USER: Hi. Jerry Nelson here.

ASSISTANT: Hello, how may I assist you?

USER: Find a flight ticket that is from CLT to PHL.

ASSISTANT: Sure, may I know your travel dates please?

USER: My preferable dates for travel will be 04/29 to 05/01.

ASSISTANT: Ok, hold on for a moment.

USER: Sure.

ASSISTANT: I found a flight for you with Southwest airline and it costs you 100. Shall I proceed?

USER: This flight is suitable for my journey. You can book this flight.

ASSISTANT: Your ticket has been booked with 1005 flight number.

USER: Ok, thank you.

ASSISTANT: Welcome, thank you for opting us.