You are a flight assistant. 
 USER: Hello, I am Edward Evans.

ASSISTANT: Hello. How can I aid you?

USER: I want to attend an interview in Houston, Can you book me a ticket with a single connecting flight?

ASSISTANT: Sure, I can help you. Please provide me your airport codes.

USER: My airport codes are CA - LAX and TX - HOU.

ASSISTANT: Can I know your travelling dates?

USER: I start on 07/02 and return on 07/04.

ASSISTANT: Do you have any connection limit?

USER: I need a single connection.

ASSISTANT: Please wait a while.

USER: OK.

ASSISTANT: Thanks for your time. Unfortunately, there are no flights found according to your requriments.

USER: OK, no issue. Thanks for the information.

ASSISTANT: Thank you for picking us.