You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Andrew Lewis.

ASSISTANT: How can I help you today?

USER: I have a plan to meet my friend in Phoenix, can you help me for booking a flight ticket from HOU to PHX?

ASSISTANT: Sure, I will help you in booking. Can you please share your travel dates?

USER: My travelling dates are 12/08 and 12/10.

ASSISTANT: Here, I found a flight for you with 1 connection and fare is 200. Shall I proceed?

USER: I need a direct flight to reach my destination.

ASSISTANT: Sorry, no flights are available on your route.

USER: That's ok, thank you for checking.

ASSISTANT: Welcome, have a nice day.