You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I am planning to visit Lake Merritt at Oakland, could you please help me with booking a flight ticket from IAD to OAK?

ASSISTANT: Sure, can you share me your travel dates?

USER: I would like to depart on Dec 17th and return on Dec 19th.

ASSISTANT: Do you have any connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Can I know your good name?

USER: I am Laura Thomas.

ASSISTANT: Is there any other specifications?

USER: I have no other specifications.

ASSISTANT: I found a flight with the price of 100 and one connection limit. Shall I proceed to booking?

USER: Please confirm the booking.

ASSISTANT: Your ticket has been reserved with the flight- 1010.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thanks for helping me.