You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I have to go Phoenix for attending a business meeting there, can you please book a flight ticket from Washington?

ASSISTANT: Sure, I will help you.

USER: Thanks.

ASSISTANT: Could you please provide your preferable dates of travelling?

USER: My departure date is 03/14 and please book my return ticket also on 03/16.

ASSISTANT: Ok, may I know your nearest airport codes for booking?

USER: I want to fly from IAD airport and destination airport is PHX.

ASSISTANT: On whose name I have to book this flight ticket?

USER: Please book this flight ticket under my name Justin Martinez.

ASSISTANT: Ok, please wait a moment to check the flights.

USER: Sure.

ASSISTANT: Based on your information, flight number 1009 from Spirit airlines with 1 connection with the fare of 100 is available for you. Shall I proceed with this?

USER: Please confirm this flight ticket for me.

ASSISTANT: Ok, your ticket has been done successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us, have a safe journey.