You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Myself Carol Wright. I need to schedule my trip to travel Houston this weekend. Can you please help me in reserving the ticket from DFW to IAH?

ASSISTANT: Sure, can you please share your travelling dates?

USER: I am planning my trip on Jan 01, and again I will return back on Jan 03.

ASSISTANT: Do you have any connection limit?

USER: I am flexible with single connection.

ASSISTANT: Do you have any class preference?

USER: I am comfort with any class.

ASSISTANT: Do you have any specifications?

USER: My depart time is afternoon.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: Not an issue, anyhow thank you very much for your service.

ASSISTANT: Thank you for reaching us.