You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I am Gary Perez, can you please book a ticket from Los Angeles, LAX to Philadelphia, PHL?

ASSISTANT: Sure, may I know when you are willing to travel?

USER: I am willing to travel on 05/11 and on 05/13.

ASSISTANT: Do you need a lay by in between the journey?

USER: Yes, I need a flight with a lay by.

ASSISTANT: Thank you for providing your details, please be on hold.

USER: OK.

ASSISTANT: We have found a Frontier airline of flight number 1024 having a halt with price 100.

USER: It is perfect, you may proceed to book.

ASSISTANT: Ok. Your booking has been processed.

USER: Thanks a lot for such a kind help.

ASSISTANT: Thank you for choosing us.