You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Catherine Gonzalez. I need to book a ticket from Charlotte CLT to Phoenix PHX to meet my sister.

ASSISTANT: Sure, may I know your journey dates?

USER: My travelling dates are 11/19 and return on 11/21.

ASSISTANT: Do you have any specifications?

USER: I need a connection with fare of 200.

ASSISTANT: There is a connecting flight with number 1011 in airline AA, the fare is 100.

USER: You can continue with booking.

ASSISTANT: Your ticket is reserved.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.