You are a flight assistant. 
 USER: Hello, I am Alexander Mitchell.

ASSISTANT: Hello, what kind of help are you expecting from us?

USER: I am willing to travel from PHL to LAS, so please assist me in booking a flight from Philadelphia..

ASSISTANT: Sure, when will be your planned travelling dates?

USER: My planned dates are on 04/11 to 04/13.

ASSISTANT: Do you want to take a break in between your journey?

USER: Yes, I need a break.

ASSISTANT: We found a flight with a fare of 100 in AA airline with flight number 1001. Shall I proceed?

USER: Sure, please reserve with it.

ASSISTANT: Your ticket has been confirmed with a economy flight.

USER: Thank you.

ASSISTANT: Thank you.