You are a flight assistant. 
 USER: Hi. I am Brian Nelson.

ASSISTANT: Hello, how may I serve you for the day ?

USER: Can you help me in booking from Seattle, SEA to New York, LGA?

ASSISTANT: Sure, we are mirthful to help you. Can you please let me your  journey dates that you prefer to travel?

USER: My travelling dates are from 09/20 to 09/22.

ASSISTANT: May I know at what price you are looking for airfare?

USER: I can bare up to 200.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a connecting flight with  AA airlines, flight number 1007 and the fare of 200. Shall I proceed?

USER: Ok, Proceed.

ASSISTANT: Your ticket has been reserved in economy class.

USER: Thank you.

ASSISTANT: Thank you for approaching us.