You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you at this moment?

USER: I am planning to go for Yosemite Adventure with my friends at New York, NY - JFK. Can you please book a ticket under the price 200?

ASSISTANT: Sure, we are ecstatic to help you.

USER: Ok.

ASSISTANT: May I know from where you are flying and landing at?

USER: I am boarding from San Francisco, CA - SFO to reach New York.

ASSISTANT: When did you scheduled to start & return?

USER: I would like to depart on 02/16 and return on 02/18.

ASSISTANT: Please stay online, I will check the flights and revert to you.

USER: Sure.

ASSISTANT: Thank you for waiting, no flights were found based on your schedule.

USER: Ok, not an issue.

ASSISTANT: May I know your name please?

USER: Sure, my name is Robert Roberts.

ASSISTANT: Thank you for choosing us.

USER: Thank you.