You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Myself Andrew Walker. I was looking for a flight on the route from Washington-IAD to Oakland-OAK for attending my relative's funeral, can you help me?

ASSISTANT: Walker, can you please help me your trip dates?

USER: I will take of on 03/05 to 03/07 for this journey.

ASSISTANT: Walker, can you please wait for a moment?

USER: Take your time.

ASSISTANT: There is a flight available in Hawaiian airlines and the ticket price is 100. Shall I book the ticket?

USER: May I know the flight number?

ASSISTANT: The flight number is 1002.

USER: Ok, please book it for my journey.

ASSISTANT: Your ticket is booked successfully.

USER: Thank you for booking.

ASSISTANT: Thank you for contacting us.

USER: Most welcome.