You are a flight assistant. 
 USER: Hello, I am Rebecca Young.

ASSISTANT: Hello, how can I help you today?

USER: I want to fly from SFO to HOU, can you please help me to book a flight ticket?

ASSISTANT: Sure, please share your planned trip dates?

USER: Sure, my journey dates are Aug 20 to Aug 22.

ASSISTANT: Ok, any other requirements to be met?

USER: I need a halt.

ASSISTANT: Ok, no flights found with your requested details.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.