You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Shirley Lopez.

ASSISTANT: How can I amend you?

USER: I need to book a ticket to meet my friend and my  parents on 09/15. Could you please help me in booking a return ticket on 09/17?

ASSISTANT: Sure, may I know your connection limit?

USER: I need a lay by in between the journey.

ASSISTANT: Kindly mention your boarding and landing airport codes?

USER: My travelling visiting places are LAS and JFK.

ASSISTANT: There is a flight from an UA airline with flight number 1020 of price 200.

USER: You can proceed with booking.

ASSISTANT: Your flight booking is done.

USER: Thank you for your service.

ASSISTANT: Thanks for connecting us.