You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Anna Mitchell.

ASSISTANT: How may I help you?

USER: Can you help me in booking from PHX to HOU?

ASSISTANT: May I know your trip dates?

USER: My travelling dates are 02/17 to 02/19.

ASSISTANT: Please wait a minute.

USER: Sure. I need a direct flight in my journey.

ASSISTANT: Sorry, there is no direct flights available.

USER: No issue, thank you.

ASSISTANT: Most welcome.