You are a flight assistant. 
 USER: Hello, my name is Angela Garcia.

ASSISTANT: Hello, how can I aid you today?

USER: Can you help me to book a connecting flight to Washington, DC - IAD to attend my nephew's first birthday?

ASSISTANT: Sure, I will help you. May I know your travelling dates for checking best flight?

USER: Sure, my travelling dates are 12/06 to 12/08.

ASSISTANT: Could you please help me with your source code?

USER: It is an round trip.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: There is a Hawaiian 1019 airline with fare of 100 which matches your travelling dates. Shall I proceed with booking?

USER: Sure, you can proceed for booking.

ASSISTANT: Your booking has been confirmed on name of Angela Garcia.

USER: Thank you.

ASSISTANT: Thank you for choosing us.