You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I need a flight ticket booking from CLT to DFW to attend a seminar meeting, so can you please help me with flight ticket booking?

ASSISTANT: Sure, can you please share your preferable journey dates?

USER: Thank you so much and my planned travel dates are Apr 5 and I will return back on Apr 7.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a single connected flight in my journey.

ASSISTANT: Is there any class preference?

USER: No, I don't have any class preference.

ASSISTANT: May I know your name please?

USER: My name is Margaret Roberts.

ASSISTANT: Do you have any specifications?

USER: I would like to start my journey in the morning time .

ASSISTANT: Please wait for a minute.

USER: Sure, I can wait.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: No problem with that one, thank you for your help.

ASSISTANT: Thank you for reaching us.

USER: Welcome.