You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Edward Thompson this side, I am looking for low budget flight to Phoenix. Can you help me to book a ticket?

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

USER: Sure, I am planning from 11/04 to 11/06.

ASSISTANT: Ok, may I know your airport codes please?

USER: I am looking for the flights between IAD to PHX.

ASSISTANT: Ok, hold on for a moment.

USER: Ensure that price limit is 200.

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

USER: Please proceed.

ASSISTANT: Your ticket has been booked with 1024 flight number.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us, have a safe flight.