You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please assist me to book a flight in Major Airlines to reach Houston?

ASSISTANT: Sure, can you provide your travel dates please?

USER: My preferable dates are on July 10th to 12th.

ASSISTANT: May I know your specific airport codes?

USER: My airport codes are AUS - IAH.

ASSISTANT: Please share me your good name.

USER: John Phillips is my name.

ASSISTANT: Kindly share your connection limit.

USER: I prefer a single connection.

ASSISTANT: Please share your other specifications if you have.

USER: No.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: Not an issue, thank you.

ASSISTANT: Thank you for availing us.