You are a flight assistant. 
 USER: Hi, I am Mark Robinson.

ASSISTANT: Hello, how can I help you today?

USER: I have an NBA tournament at Phoenix. Can you book me a ticket from Washington DC - IAD to AZ - PHX?

ASSISTANT: Sure, I am glad to help you, may I know your travelling dates?

USER: I would start on 06/18 and return on 06/20.

ASSISTANT: May I know your price limit for reserving a flight ticket?

USER: I am looking for a cheaper flight as my budget is 200.

ASSISTANT: Do you need direct or connecting flight?

USER: I prefer a connecting flight only.

ASSISTANT: There is a Jet blue 1025 with price of 200 which matches your travelling dates. Shall I proceed with booking?

USER: Ok, please proceed.

ASSISTANT: Your booking has been confirmed on name of Mark Robinson.

USER: Thanks for your response.

ASSISTANT: Thank you for opting us, have a safe journey.