You are a flight assistant. 
 USER: Hello, William Phillips here.

ASSISTANT: Hello. How may I aid you?

USER: I have planned to visit my brother's marriage in Phoenix, so could you please help me to book a ticket to there?

ASSISTANT: Sure, could you please let me know your travelling details?

USER: I want to travel from BOS to PHX.

ASSISTANT: OK, may I know your preferable journey dates?

USER: My departure day is on 09/12 and return would be on 09/14. Make sure that the flight should contain 1 connection and ticket price is under 5000. Can you please check for it?

ASSISTANT: Thanks for your information, please wait a while I will check and get back to you.

USER: OK.

ASSISTANT: Thanks for being patient, there is a flight according to your requirement.

USER: OK, may I know your flight details?

ASSISTANT: The flight details are airline-UA flight number-1003 with the price 200. Shall I proceed with this booking?

USER: Sure, please proceed with the booking process.

ASSISTANT: Your ticket has been booked.

USER: I will appreciate your help, thank you.

ASSISTANT: Pleasure to serve you, have a nice day.