You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am planning to visit New York with my friends as a holiday trip. Can you do the reservation?

ASSISTANT: Sure, may I know your travel dates?

USER: Dates are 05/30 and 06/01.

ASSISTANT: Please help me with your airport codes?

USER: My airport codes are PHX-EWR.

ASSISTANT: There is a flight with flight number 1004 with price is 100, can I proceed?

USER: Go ahead.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Most welcome.