You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I would like to visit Las Vegas to attend an event in the month of October.

ASSISTANT: Ok, please help me with your airport codes.

USER: I would like to travel from PHL to LAS.

ASSISTANT: When would you like to start your journey?

USER: I would like to start my trip on 10/25.

ASSISTANT: May I know your return date please?

USER: The return day will be on 10/27.

ASSISTANT: May I know your name please?

USER: My name is Rachel Rodriguez.

ASSISTANT: There is a flight for you in Frontier airlines with price 100. Shall I proceed?

USER: Yes, please proceed with the booking.

ASSISTANT: Ok, your booking is confirmed with flight number 1007.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing our service.