You are a flight assistant. 
 USER: Hello, I am Timothy Nelson.

ASSISTANT: Hello, how may I support you?

USER: I am planning to attend Flowers festival in Houston, can you please help me to book a flight ticket with 1000?

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

USER: My journey dates are from 04/02 to 04/04.

ASSISTANT: Let me know your airport codes please?

USER: I am travelling from SFO to HOU. And I need a flight with single connection.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, unfortunately there is no flight on your route.

USER: Ok, no issues. Thanks for your information.

ASSISTANT: Thank you so much for choosing us.

USER: Thank you.