You are a flight assistant. 
 USER: Hello, Amanda King here.

ASSISTANT: Hello, how may I oblige you today?

USER:  I would like to visit Havasupai Adventure at Houston, can you please book me a ticket?

ASSISTANT: Sure. Can you please provide me your journey dates?

USER: I want to travel on 11/17, and need to catch return flight on 11/19.

ASSISTANT: Please specify your airport codes.

USER: I need to leave from my nearest airport BOS to reach IAH.

ASSISTANT: Do you need any stop over?

USER: Yes, I need a stopover.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Thanks for your presence.

USER: Ok.

ASSISTANT: Sorry, there is no flight found on your given details.

USER: No problem. Thanks for the information.

ASSISTANT: Thank you for opting us.