You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER:  As I am a scientist, I would like to visit the ancient 1940 air terminal museum located at Houston. Can you please help me in booking?

ASSISTANT: Sure, may I know your travel dates?

USER: I want to travel on 11/18 and return on 11/20.

ASSISTANT: Please share me your airport codes.

USER: My source is at Phoenix, AZ-PHX and destination is at Houston, TX-IAH.

ASSISTANT: \Thanks for provide your details, unfortunately there is no flight on your details.

USER: Ok, thank you for your information.

ASSISTANT: May I know your good name.

USER: I am Michael Mitchell.

ASSISTANT: Thank you so much Michael for choosing us.