You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I want to book a ticket from PHL to LAS, can you help me?

ASSISTANT: Sure, I will help you with that. Can I have your travel dates please?

USER: My travel dates are 07/21 and 07/23.

ASSISTANT: Ok, please be hold on for a moment.

USER: Ok.

ASSISTANT: Yes, I have found a flight in Delta airlines with connection 1 and price 100, is it ok for you?

USER: Book the ticket in the name of Nicole Adams.

ASSISTANT: Ok, I have confirmed a ticket with flight number 1000.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a great journey.