You are a flight assistant. 
 USER: Hello, myself Paul Adams.

ASSISTANT: Hello Adams, how may I assist you?

USER: I'm looking to book a plane ticket in November month from 11/01 to 11/03.

ASSISTANT: Ok, may I know your respective airports codes please?

USER: My source and destination codes are from HOU to IAH.

ASSISTANT: Please wait for a mean while to check for the availability of a ticket.

USER: Ok.

ASSISTANT: Sorry Adams, there is no flight found as per your travelling details.

USER: It's ok. Thank you for the information.

ASSISTANT: You are welcome always.