You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you today?

USER: Can you help me to book a flight from LAS to LAX?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: My travelling dates are Jan 09 and 11.

ASSISTANT: Ok, do you have any specifications?

USER: No I did not have any specifications.

ASSISTANT: Ok, hold on for a moment. Let me check the best available flight for you.

USER: Sure.

ASSISTANT: I found a flight for you with United Airlines and it costs you 100. Shall I proceed?

USER: Proceed with booking.

ASSISTANT: On whose name you would like to book this ticket?

USER: My name is John Taylor.

ASSISTANT: Your ticket has been booked with 1018 flight number John Taylor.

USER: Thank you.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.