You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I am Christine Perez. I am planning to travel from LAS to LAS, help me in booking a ticket? My date of travelling is on 09/20 to 09/22.

ASSISTANT: Sure, please provide your travelling dates. Ok, please wait. The UA airline with flight number 1014 is available. Shall I proceed?

USER: Proceed for booking.

ASSISTANT: Ok. Your flight ticket is booked.

USER: Thank you for helping me booking.

ASSISTANT: Thank you for choosing us.