You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I need you to book a flight ticket from DEN to SEA. Please help me.

ASSISTANT: Sure, I can help you with that. May I know your travel dates please?

USER: April 20 and 22 are my planned travelling dates.

ASSISTANT: Do you prefer direct or single connected flight?

USER: I would prefer to fly in a connecting flight.

ASSISTANT: Please let me know if you have any other specifications.

USER: Nothing much to state.

ASSISTANT: Can I have your good name please?

USER: Jacob Thomas here.

ASSISTANT: UA is providing a flight on that route with ticket fare of 100 and 1 connection, shall I proceed for booking?

USER: Yes, please book.

ASSISTANT: I have successfully booked you an economy class ticket in flight-1003, have a safe journey.

USER: Thank you.

ASSISTANT: Thank you for choosing us.