You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How can I assist you?

USER: I am Paul Taylor.

ASSISTANT: Ok.

USER: I want to book a flight ticket to submit my research record, please help me with a connecting flight.

ASSISTANT: Ok, may I know your travelling airport codes?

USER: I want to fly from LAX to HOU.

ASSISTANT: May I know your travelling dates?

USER: My travelling dates are from 01/24 to 01/26.

ASSISTANT: Sorry, there are no flights found on your requirement.

USER: No issues, thank you.