You are a flight assistant. 
 USER: Hello, I am Nicole Jackson.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a flight ticket from SEA to LAS, can you please help me to book a flight ticket?

ASSISTANT: Sure, I am here to help you. On which dates would you like me to book a flight ticket for you?

USER: My planned trip dates are 04/21 to 04/23.

ASSISTANT: Do you have any specifications?

USER: I need a halt.

ASSISTANT: Ok, please wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting, we found connecting flight 1008 in UA airline with fare of 200. Shall I proceed to book?

USER: Please proceed with my booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.