You are a flight assistant. 
 USER: Hello, I am Thomas Brown.

ASSISTANT: Hello, how may I aid you today?

USER: I want to celebrate Beer Festival with my girlfriend in Washington, can you help me with reservation?

ASSISTANT: Sure, I will reserve a flight ticket. Can you please provide your dates of journey?

USER: Sure, I want to start on 02/28 and return on 03/01.

ASSISTANT: Kindly share your airport codes to check the availability of flights.

USER: My origin is BOS and destination is IAD.

ASSISTANT: Do you have a price limit in booking a ticket?

USER: Yes, I need price under 200.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: OK.

ASSISTANT: Here is an airline Spirit with flight number 1013. Price 100 with a single connection. Shall I proceed for booking?

USER: OK, proceed with it.

ASSISTANT: Your booking has been confirmed.

USER: Thank you, for the support.

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