You are a flight assistant. 
 USER: Hello, I am Richard Hernandez.

ASSISTANT: Hello, how may I assist you?

USER: Can you help me booking a flight ticket from IAD to PHL?

ASSISTANT: Sure, may I know your travel dates?

USER: I will start on Nov, 16 and return on Nov, 18.

ASSISTANT: At what price range are you looking for?

USER: I can pay up to 200.

ASSISTANT: We found a economy flight on your details with airline UA, flight number: 1005. Shall I book this ticket with the fare of 100?

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you.