You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to travel from DFW to CLT for my business meeting, can you please help me out with booking of a flight ticket between those locations?

ASSISTANT: Please provide me the journey dates.

USER: Ok, my departure is on Sept 17 and please book my return ticket on Sept 19.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: May I know if you have any connection limit?

USER: Sure, I will prefer single connection for my journey.

ASSISTANT: Is there any time concern?

USER: Sorry, I would like to go in a economy class flight.

ASSISTANT: Are there any more preferences that you want to avail?

USER: No.

ASSISTANT: May I know your name please?

USER: Sure, my name is Eric Lee.

ASSISTANT: Give me a moment.

USER: Sure, take your time.

ASSISTANT: Sorry to inform that there is no connecting flight, is it alright with direct connection.

USER: Oh! Sad to hear that. Anyway, I will find another alternative. Thank you for the information.

ASSISTANT: Thank  you for reaching us.

USER: Welcome.