You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Is this Central Booking Agency?

ASSISTANT: Yes, what can I do for you today?

USER: Actually I am planning to go IAD to see my grandfather, can you book a flight ticket for me from OAK?

ASSISTANT: Yes, I will try for best assistance. Could you please share me your travelling dates?

USER: Sure, my preferable dates are from 05/29 to 05/31.

ASSISTANT: Ok. Please wait for a moment. I will get back to you.

USER: Ok, take your time and let me know.

ASSISTANT: I have found a flight ticket with a fare of 200 and connection of 1. Can I book the ticket?

USER: That's perfect for me, book it.

ASSISTANT: Yes, your ticket is booked. On which name the ticket has to be booked?

USER: Thank you so much. My name is Timothy Mitchell.

ASSISTANT: Thank you for details. Happy to serve you anytime.

USER: Thank you.