You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Cynthia Clark.

ASSISTANT: How may I assist you today?

USER: Can you please reserve me a flight ticket from Seattle, WA - SEA to New York, NY - JFK?

ASSISTANT: May I know your budget for flight ticket?

USER: I can afford up to 200 only.

ASSISTANT: Can you please provide your travelling dates?

USER: My trip dates are 01/15 - 01/17.

ASSISTANT: Is there any class preference?

USER: No but please make sure that my return time should be in the afternoon.

ASSISTANT: Unfortunately there are no flights are running on your route according to your given information.

USER: Not an issue, thank you.

ASSISTANT: Thank you for availing us.