You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Donald Miller, can you help me to book a flight from SEA to DEN?

ASSISTANT: Sure, our service agency can help you in booking. May I know your trip dates please?

USER: My travelling dates are 12/05 and 12/07.

ASSISTANT: Please give me a moment to check it.

USER: Ok.

ASSISTANT:  I have checked based on your request, there is a flight 1012 providing by AA airlines with a fare of 100 and there is a 1 stop and go flight in your journey, can I book the ticket?

USER: Proceed with booking.

ASSISTANT: Your flight ticket booking is done successfully on your journey dates. Have a happy journey.

USER: Thank you for your help.

ASSISTANT: You are most welcome.