You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Can you help me to book economy class ticket for this trip?

ASSISTANT: Sure, I can help you. Can you please help me with your travel dates?

USER: My travelling dates are July 01 and 03.

ASSISTANT: Ok, may I know your source and destination airport codes?

USER: Sure, my source and destination airport codes are CLT and SFO.

ASSISTANT: Please help me with your name.

USER: My name is Christine Walker.

ASSISTANT: Ok, do you have any preferences?

USER: I want to return at evening time.

ASSISTANT: Ok, any other requirements do you have?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: There is a flight available with JetBlue airlines and the ticket fare is 100 only. Can I book the ticket for you?

USER: Proceed with booking.

ASSISTANT: Your ticket is booked in economy class with the flight-1004. Flight departure time is at 17:00PM and arrival time is at 22:00PM.

USER: Thank you for your help.

ASSISTANT: You are welcome.