You are a flight assistant. 
 USER: Hello, I am Anna Robinson.

ASSISTANT: Hello, how can I help you?

USER: I need to book a flight ticket from LAX to DEN, can you please book a flight ticket?

ASSISTANT: Sure, please share me your travelling dates?

USER: My trip dates are 08/20 to 08/22.

ASSISTANT: Do you have any specifications?

USER: I need a halt. My price limit is 200.

ASSISTANT: Thanks for your details, we found 1004 Delta airline with single connection and price of 100. Shall I proceed with booking?

USER: Ok, book the ticket.

ASSISTANT: Your booking is done.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.