You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Melissa Martin, can you help me to search a flight with 200 price to PHX?

ASSISTANT: Sure, may I know your exact dates of travelling to search for the flight?

USER: My travelling dates are 01/01 and 01/03.

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

USER: My source airport is DEN.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Ok, there is a flight 1020 in Southwest airline matching your details with price 200. Shall I proceed?

USER: Yes, proceed with booking.

ASSISTANT: Ok, your booking is done.

USER: Thank you.

ASSISTANT: You are welcome, have a safe journey.