You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Raymond Adams. I am a old person and I don't know to how to book a flight ticket, can you please help me in flight ticket booking from IAD to IAH locations?

ASSISTANT: Yes, I can help you.

USER: Thank you.

ASSISTANT: Can you share me your dates of travel?

USER: Sure, I would like to move on 07/21 and return back on 07/23.

ASSISTANT: Give me a moment.

USER: Sure, I can wait for your response.

ASSISTANT: I have found a flight ticket with a price of 300 and 1 connection.

USER: I am ok with the flight that you mentioned, you can proceed with flight ticket booking.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for your enormous help in my flight ticket booking.

ASSISTANT: Thank you for contacting us.

USER: Welcome.