You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Elizabeth Collins.

ASSISTANT: What can I do for you now?

USER: Please book a flight ticket from SFO to DFW.

ASSISTANT: May I know your travelling dates please?

USER: My travelling dates are from Jan 11 to Jan 13.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I need.

ASSISTANT: May I know your arrival and depart time?

USER: I want to depart in the morning time.

ASSISTANT: Do you have any other preferences? Please let me know.

USER: No.

ASSISTANT: Flight-1011 is available for you with 1 connection at the price of 200. Can I book it for you?

USER: Ok, please book it.

ASSISTANT: Your ticket is reserved, thank you for choosing us.

USER: Thank you.

ASSISTANT: Have a great day ahead.