You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you at this minute?

USER: Can you please book a flight ticket from CLT to HOU?

ASSISTANT: Sure, I am here to help you with that. Can I know your travelling dates?

USER: Thank you. I have planned my travel dates as Dec 29 and Dec 31.

ASSISTANT: Do you have any other specifications?

USER: I do not have specific preferences so you can go with booking now.

ASSISTANT: Ok, wait for a minute.

USER: Sure, take your time.

ASSISTANT: The American airlines are providing a flight having a connection limit 0. Can I proceed with the ticket booking?

USER: That is fine, please proceed with booking.

ASSISTANT: Your ticket is confirmed in an economy class and the flight number 1000.

USER: Thank you for your help.

ASSISTANT: May I know your name?

USER: Most welcome. Myself Jonathan King so please re confirm my ticket with this name.

ASSISTANT: Thank you for reaching us. Have a safe journey.

USER: Thank you.