You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I would like to travel from LAS to DFW, can you please help me in flight booking?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: I want to fly on Sept 14, return on Sept 16.

ASSISTANT: Do you require any stopovers in your journey?

USER: I want a flight with one connection.

ASSISTANT: Would you let us know if you have any other preferences?

USER: My depart time should be morning.

ASSISTANT: Please share your name.

USER: My name is Andrew Robinson.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: Not an issue, thank you.

ASSISTANT: Thanks for reaching us.