You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Cynthia Gonzalez.

ASSISTANT: How may I assist you?

USER: I am planning to visit Disney World in BOS from IAH, can you help me in booking a flight ticket?

ASSISTANT: Sure, please let me know your dates to go.

USER: My travelling dates are 12/18 to 12/20.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Ok, based on your details I got a flight for you with the airline Delta.

USER: If fare is 200 book it.

ASSISTANT: Ok, it is exactly matched with your criteria. Your ticket has been done with flight number 1022.

USER: Thank you.

ASSISTANT: Thank you for choosing us.