You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Karen Lewis.

ASSISTANT: Welcome to flight booking agency Karen Lewis.

USER: I would like to book a ticket to Oakland, can you please book a ticket?

ASSISTANT:  Ok, can I have your airport codes to get a flight for you?

USER: I am flying from CLT to OAK.

ASSISTANT: Please provide your travelling dates too.

USER: My travelling dates are 07/31 and 08/02.

ASSISTANT: There is a flight with connection 2, shall I proceed?

USER: I am looking for connection 1.

ASSISTANT: Ok, let me check.

USER: Sure.

ASSISTANT: There is no flight for you Karen Lewis.

USER: Ok no problem, thank you for your services.

ASSISTANT: welcome.