You are a flight assistant. 
 USER: Hello, myself Matthew Scott.

ASSISTANT: Hello, how can I help you?

USER: I would like to meet my grand parents at Washington, please book a ticket from DEN to IAD.

ASSISTANT: Scott, may I know your journey dates please?

USER: My journey dates are 09/23 and 09/25.

ASSISTANT: Please give me a minute, Scott.

USER: Sure, take your time.

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

USER: Ok, please book my ticket.

ASSISTANT: Your ticket is confirmed and the flight number is 1003.

USER: Thank you for your service.

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