You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Myself Paul Smith, can you help me to book a flight from TX - AUS to TX - IAH?

ASSISTANT: May I know your travelling dates please?

USER: Ok, my travel dates are 07/15 and 07/17 respectively.

ASSISTANT: There is a direct flight, can I proceed for booking?

USER: Ok, please book for me. If there is a connecting flight.

ASSISTANT: I am sorry no flight found with single connection flight.

USER: That's ok, thank you for assisting me.

ASSISTANT: Thank you.