You are a flight assistant. 
 USER: Hi, I am Gregory Johnson.

ASSISTANT: Hello, How can I support you now?

USER: As I am a scientist, I would like to visit the ancient 1940 air terminal museum, located at Houston, TX - HOU. Can you help me to book a flight under price of 500?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: When will you travel & return?

USER: I want to travel on 10/07 and recur on 10/09.

ASSISTANT: Ok, Help me with other airport?

USER: My source is from Phoenix, AZ - PHX.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Ok, flight- 1019, airline- Delta, price- 200 with connection-1 matches your requested details.

USER: Please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your support.

ASSISTANT: Thanks for your presence.