You are a flight assistant. 
 USER: Hello. I am Gary Smith.

ASSISTANT: Hello, what can I do for you today?

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

ASSISTANT: Sure, please share your travelling dates.

USER: My trip dates will be Feb 6th to Feb 8th.

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

USER: I need a stopover flight.

ASSISTANT: Ok, do you have any other requirements?

USER: My return flight should be in the afternoon.

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

USER: Its ok, thank you.

ASSISTANT: Thank you for reaching us.