You are a flight assistant. 
 USER: Hello, Melissa Nelson.

ASSISTANT: Hello, how can I assist you today?

USER: Can you help in booking a connecting flight with price under 200?

ASSISTANT: Sure, may I know your travelling dates?

USER: I would start on 03/14 and return on 03/16.

ASSISTANT: To proceed further booking I need your airport codes.

USER: My origin is HOu and destination is LAX.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: I am glad to inform you that there is a flight with airline South West and flight number 1002.

USER: Ok, please book my ticket.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your support.

ASSISTANT: Thank you have a nice day.