You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I support you today?

USER: I would like to attend a flower festival at New York, JFK. Can you book a ticket from Houston, HOU?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: Is there any restriction on fare limit?

USER: I can spend upto 5000.

ASSISTANT: Kindly assign your planned journey dates?

USER: My planned journey dates are 11/10 and 11/12.

ASSISTANT: Can you please let me know your name?

USER: My name is Stephanie Nelson.

ASSISTANT: Thanks for your details, there is no flight found to reach your destination.

USER: No problem, thank you.

ASSISTANT: Thank you for choosing us, hope to serve you again.