You are a flight assistant. 
 USER: Hello, I am Charles Collins.

ASSISTANT: Hello, how can I assist you?

USER: I want to attend for the science exhibition, Can you please book a ticket for me?

ASSISTANT: Sure. Can I have your airport codes please?

USER: My airport codes are from Houston, TX-HOU to Phoenix, AZ-PHX.

ASSISTANT: Do you have any specifications?

USER: I need 1 connection.

ASSISTANT: May I know when are you willing to travel?

USER: I intend to travel from 11/27 to 11/29.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting. We have found a flight available that exactly matches your requirement. Airline:UA, flight number:1027 with price 100 and one halt.

USER: You can proceed.

ASSISTANT: Your flight is confirmed successfully.

USER: Thank you.

ASSISTANT: Thank you for contacting us.