You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Sandra Mitchell.

ASSISTANT: How may I help you?

USER: I want to book a ticket from CLT to AUS to meet my uncle, can you help me in booking?

ASSISTANT: May I know your trip dates?

USER: I am departing on 05/23 and return on 05/25.

ASSISTANT: There is a flight with flight number 1003 with price is 100, can I proceed?

USER: Please proceed for booking.

ASSISTANT: Your booking is done.

USER: Thank you for your help.

ASSISTANT: Most welcome.