You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Anthony Taylor here.

ASSISTANT: How may I help you?

USER: Can you book a connecting flight to PHL to LAS? For my business trip to Las Vegas.

ASSISTANT: Sure, may I know your preferred journey dates?

USER: My travelling dates will be 04/07 to 04/09. My price limit would be less than 200.

ASSISTANT: Please give me a minute.

USER: Ok.

ASSISTANT: I found a flight in UA airlines with price 100. Can I book the ticket for you?

USER: Sure.

ASSISTANT: Your ticket is confirmed and the flight number is 1015.

USER: Thank you.

ASSISTANT: Thank you for choosing us.