You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Dennis Brown here. I want to meet my nephew, please book my ticket from CLT to PHX.

ASSISTANT: Sure, may I know your journey dates please for enhanced search?

USER: My trip dates are 04/13 and 04/15.

ASSISTANT: Brown, please wait for a minute.

USER: Sure.

ASSISTANT: I found a flight in UA airlines with price 200. Shall I book the ticket for you?

USER: Perfect, please book my ticket.

ASSISTANT: Your ticket is confirmed and the flight number is 1001.

USER: Thank you for assisting me.

ASSISTANT: Thank you for contacting us.