You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, I will help you. Can you please share your trip dates?

USER: My travelling dates are Sept 15 and Sept 17.

ASSISTANT: May I know your name?

USER: Myself Sarah Jones.

ASSISTANT: Is there any time concern?

USER: Make sure that my depart time must be in morning.

ASSISTANT: Do you have any class preferences?

USER: I prefer economy class.

ASSISTANT: Sorry, there are no flights found on your travel dates.

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

ASSISTANT: Thank you for choosing us.