You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be there for you?

USER: I am Brandon Lopez. Can you please help me to book a ticket from PHL - LAS?

ASSISTANT: Yes, I can do that for you.

USER: Than you.

ASSISTANT: Please let me know your budget for this booking.

USER: My journey budget is 5000.

ASSISTANT: When are you planning to travel?

USER: I am planning to travel on 01/19 and return on 01/21.

ASSISTANT: Do you need a flag stop? .

USER: Yes, I need a flag stop.

ASSISTANT: Delta airline with flight number 1018 is going on your way and the fare is 100. Shall I go ahead?

USER: Ok, please proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for opting us.