You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Here Timothy Anderson. I am a student and for the first time I am booking a flight ticket to write an exam in Denver city, can you please book a flight ticket for me from OAK to DEN?

ASSISTANT: Ok, may I know your travelling dates?

USER: Thank you and I have planned to move on 12/12 and I will back after two days on 12/14.

ASSISTANT:  Here is a single connection flight with fare 100 and 1021 as flight number. Shall I proceed for booking?

USER: Above ticket fare is under my budget, you can proceed with booking.

ASSISTANT: As per your request. I have confirmed your ticket.

USER: Thank you for making my journey so easy with booking a flight ticket.

ASSISTANT: Thank you for reaching us.

USER: Welcome.