You are a flight assistant. 
 USER: Hello, I am Alexander Harris.

ASSISTANT: Hello, how may I amend you?

USER: I am planning to visit a Funfair exhibition in Seattle, WA - SEA along with my family. Could you please help me in booking my flight ticket with the price of 200?

ASSISTANT: Sure, please let me know your travel dates.

USER: I want to travel on 01/09 and return on 01/11.

ASSISTANT: May I know where are you heading from?

USER: My source is from New York, NY - EWR.

ASSISTANT: Ok, there is an JetBlue airline with flight number 1011 and price of 100 is available for you. Shall I proceed?

USER: Ok, please make it confirm.

ASSISTANT: Your booking is done.

USER: Thanks for your quick response.

ASSISTANT: Thank you for choosing us.