You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Can you help me in booking a flight ticket from SFO to IAH?

ASSISTANT: Sure, may I know your trip dates?

USER: I want to fly on Jan 15 and return on Jan 17.

ASSISTANT: Please share your connection limit.

USER: I need a single connection.

ASSISTANT: Let me know your good name please.

USER: Myself Steven Collins.

ASSISTANT: Please share your other specifications.

USER: I don't have any other specifications.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for contacting us.