You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you help me to book a flight from Austin, TX - AUS to Phoenix, AZ - PHX?

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: Ok, my travel dates are 11/14 and 11/16 respectively.

ASSISTANT: Please wait a moment.

USER: Ok, I will wait for your response.

ASSISTANT: Sorry, no flights are available in your route with your dates. May I know your name?

USER: Ok, not a problem. Thank you for the information, my name is Sandra Gonzalez.

ASSISTANT: Thank you for reaching us.