You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I need to schedule my trip to visit Houston this month. Can you please help me in reserving the ticket from SFO to IAH?

ASSISTANT: Yes, can you tell me your travelling dates?

USER: I am willing to drop-off Jan 14 and again I will be return back on Jan 16.

ASSISTANT: Do you have any other specifications?

USER: My return time is morning.

ASSISTANT: Do you have any preferences?

USER: I am flexible with single connection.

ASSISTANT: Give me a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry to inform you that there are no flights found on your requested criteria.

USER: Not a big deal, anyhow thank you very much for your kind information.

ASSISTANT: Can I know your name?

USER: Myself Mark Jones.

ASSISTANT: Thank you for reaching us.

USER: You are most welcome.