You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you for the day?

USER: I am Raymond Martinez. I want to go for science exhibition at Austin, AUS. Can you please book a ticket for me?

ASSISTANT: Sure, can you please provide the dates of your journey?

USER: Travelling dates are 07/21 to 07/23.

ASSISTANT: May I know from where would you like to board?

USER: Source code is Washington, IAD.

ASSISTANT: Do you have any specifications?

USER: I need connecting flight.

ASSISTANT: We found an airline AA with flight number 1005. Price 100 with a single connection.

USER: You can proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for connecting with us.