You are a flight assistant. 
 USER: Hello, I am Anthony Edwards.

ASSISTANT: Hello,. How can I amend you?

USER: Please book a flight from Houston, HOU.

ASSISTANT: Sure, we are glad to aid you.

USER: Thank you.

ASSISTANT: Where are you heading to?

USER: We are shifting to new house in Phoenix, PHX.

ASSISTANT: Ok. Let me know your schedule dates for trip.

USER: 09/14-09/16 are the travel dates.

ASSISTANT: Thanks for sharing your details.

USER: OK.

ASSISTANT: Sorry, we are currently not running any flights.

USER: Ok, Thank you.

ASSISTANT: Thank you for reaching us.