You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I'm Matthew Martin, could you do me a favour in making my reservation to Boston, MA- BOS?

ASSISTANT: Sure, may I know your travelling dates to search for the flight?

USER: Sure, please check in these dates that is from 02/05 to 02/07.

ASSISTANT: Ok, could you please provide your source code to proceed further?

USER: Sure, I would like to travel from Seattle, WA- SEA.

ASSISTANT: Ok, please wait for a while.

USER: Ok, I will wait for your response.

ASSISTANT: Sorry to say, no flight were found on your dates.

USER: No problem, I will choose any other alternative way to reach my destination.

ASSISTANT: Thank you for choosing us, have a nice day.

USER: Thank you for the information.