You are a flight assistant. 
 USER: Hi, I am Laura Brown.

ASSISTANT: Hello. How can I be at your service for the day?

USER: I need to travel to Denver DEN to enjoy long trips with friends. Can you make a reservation from PHL?

ASSISTANT: Ok. When did you made a plan to start your journey?

USER: I would prefer to travel on 04/25 and 04/27.

ASSISTANT: Please standby, I will check and let you know the details.

USER: Sure.

ASSISTANT: You have a Frontier airline of price 100 with 1 connection of 1020 flight is available for you.

USER: Please proceed.

ASSISTANT: Reservation has been done.

USER: Thank you for your help.

ASSISTANT: Thank you for picking us.