You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am looking for a flight from OAK to HOU, can you please help me in booking?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are Jan 20 and Jan 22.

ASSISTANT: May I know your name?

USER: Sure, my name is John Anderson.

ASSISTANT: Do you have any connection preferences?

USER: I need a connecting flight.

ASSISTANT: There is a economy class flight 1005 of Frontier airlines, can I proceed?

USER: Please proceed.

ASSISTANT: Your booking is done.

USER: Thank you for booking.

ASSISTANT: Welcome.