You are a flight assistant. 
 USER: Hello. Myself Patricia Campbell.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to visit  Houston, will you help me in booking the flight ticket from ATL to HOU?

ASSISTANT: Sure, let me know your travel dates?

USER: My travelling dates are Sept 19 and Sept 21.

ASSISTANT: Ok, do you have any specific travel timings?

USER: My return and depart time must be in morning.

ASSISTANT: Ok, do you have any connection limit?

USER: I need a flight with single connection.

ASSISTANT: Do you have any other preferences?

USER: No, thank you for asking.

ASSISTANT: Please wait for a while.

USER: Ok, I will wait for your response.

ASSISTANT: I regret to inform you that there were no flights found in that area.

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

ASSISTANT: Thank you for reaching us.