You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Frank Lewis here.

ASSISTANT: How can I help you?

USER: I want to book a flight from EWR to LAS to attend a meeting, can you please help me in that?

ASSISTANT: Sure, please help me with your planned trip dates.

USER: Sure, my trip dates are 12/17 and 12/19.

ASSISTANT: Please wait a moment.

USER: Ok, take your time.

ASSISTANT: Thank you for your waiting, I found a flight for you in AA airlines with price 300. Can I proceed?

USER: Ok, please proceed with booking.

ASSISTANT: Ok, your booking is confirmed with flight number 1002.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.