You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Sandra Martinez this side, I am having interview at New York. Can you book a ticket for me?

ASSISTANT: Sure, may I know your travel dates please?

USER: I am planning to start on 06/30 and return on 07/02.

ASSISTANT: Ok, can I know your airport codes please?

USER: I am going to start from SEA and return from JFK.

ASSISTANT: Ok, hold on for the moment.

USER: Ensure that it costs within 200.

ASSISTANT: Sorry Sandra, there are no flights available.

USER: That's ok. No issues.

ASSISTANT: Thank you for reaching us, have a good day.

USER: Welcome, Thank you.