You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I want to travel from Hou to ATL, could you help me for booking?

ASSISTANT: May I know on which dates you prefer to travel?

USER: My departure date is 04/21 and my arrival date is on 04/23. Make sure that, my connections limit should be 1.

ASSISTANT: Just a moment, let me check with the airlines and revert to you. We are sorry to inform you that, we did not find any flights for you. May I know your good name please?

USER: Ok, thank you for information, Stephen Lee here.

ASSISTANT: Thank for approaching us.