You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Larry Jones here.

ASSISTANT: How may I be your helping hand today?

USER: Can you provide me a flight ticket which is running from the San Francisco airport, within the fare 200?

ASSISTANT: Sure, please share your boarding and landing airport codes?

USER: Boarding from SFO, and landing on Houston, HOU.

ASSISTANT: Ok, do you need any stop over in between the journey?

USER: Yes, I need a stopover.

ASSISTANT: Ok, when would you like to start your journey from SFO?

USER: I want to start from SFO, on 07/23.

ASSISTANT: Ok, let me know your return date please?

USER: I will catch return flight on 07/25.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure.

ASSISTANT: There are no flights available on your requested dates.

USER: That's ok, thanks for your kind information.

ASSISTANT: Thank you for reaching us.