You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ryan Carter.

ASSISTANT: Ryan, how can I assist you?

USER: I need to move Phoenix PHX to see the Rosson House Museum, can you reserve a ticket?

ASSISTANT: Sure. Please provide your airport codes.

USER: My current location is IAD to travel on 10/14.

ASSISTANT: When do you want to book your return ticket?

USER: My return back journey is on 10/16.

ASSISTANT: Let me check, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, no flight's found on your preferred dates.

USER: Ok, no problem, I will prefer to go on my own. Thank you for your information.

ASSISTANT: Ok. Thank you for contacting us.