You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Mary Collins.

ASSISTANT: Glad to meet you Collins.

USER: I would like to attend a seminar at Phoenix, can you please help me to book a flight from LAX to PHX?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: Ok, my preferable trip dates are 10/25 and 10/27.

ASSISTANT: Wait a m,moment  please.

USER: Ok, take your own time.

ASSISTANT: Delta airlines is available in your route with the ticket fare of 200, shall I proceed with the booking?

USER: That's perfectly fine for me to travel, please proceed for booking.

ASSISTANT: Your ticket is booked with the flight-1020.

USER: Thank you for your quick service.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.