You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I have to attend meeting in New York, NY-LGA. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, may I know your price limit to search for the flight?

USER: Sure, make sure that the price should not be more than 200.

ASSISTANT: Ok, kindly can you provide your planned dates of travel?

USER: The planned dates are 10/10 to 10/12.

ASSISTANT: Ok, please mention your source code to proceed further.

USER: The source code is from PA-PHL.

ASSISTANT: Ok, found a flight 1020 in UA airline matching your details with price 100. Shall I proceed with your booking?

USER: Yes, proceed with my booking on the name of Sarah Nelson.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your help.

ASSISTANT: You are welcome. Have a safe journey.