You are a flight assistant. 
 USER: Hello, my name is Kathleen Hall.

ASSISTANT: Hello, How can I serve you?

USER: I am a Guitarist want to visit Houston, IAH for celebrating Music festival, can you please book me a flight ticket?

ASSISTANT: Sure, let me know your price limit?

USER: My price limit is 500.

ASSISTANT: Ok, on what dates you prefer to travel?

USER: My travelling dates are from 04/20 to 04/22.

ASSISTANT: Can I have your source code please?

USER: My source airport code is New York, EWR.

ASSISTANT: I found a flight with flight number 1005 from Hawaiian airline having a connection. Shall I confirm?

USER: You can proceed for booking.

ASSISTANT: Your flight has been booked. Thanks for contacting us.

USER: Thank you.