You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Thomas Nelson here.

ASSISTANT: How may I help you?

USER: I want to book a ticket from Detroit-DTW to Charlotte-CLT to meet my friends.

ASSISTANT: Sure, can you help me with your journey dates?

USER: My travel dates are 12/11 and return on 12/13.

ASSISTANT: Thank you for your information, please wait for a moment.

USER: Ok.

ASSISTANT: I have found a flight from 1010 of Delta airlines, shall I proceed?

USER: Please proceed for booking.

ASSISTANT: Ok, your ticket has been booked. Have a nice day.

USER: Thanks for your help.

ASSISTANT: Welcome.