You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Michelle Perez.

ASSISTANT: How may I assist you, Perez?

USER: I have a live concert at Austin, please help me in booking a ticket from PHX to AUS.

ASSISTANT: Sure, may I know your preferred journey dates?

USER: My trip dates are 11/07 and 11/09.

ASSISTANT: Please wait for a minute.

USER: Sure, take your time.

ASSISTANT: I found a flight in UA airlines available with price 200. Would you like me to book the ticket?

USER: Ok, please book my ticket.

ASSISTANT: Your ticket is confirmed and the flight number is 1002.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.