You are a flight assistant. 
 USER: Hello, I am Mary Hernandez.

ASSISTANT: Hello. How may I aid you?

USER: Can you please help me in booking a flight ticket from DC-IAD to CA-LAX?

ASSISTANT: Sure, I will help you. On which date, you are planning to start your journey?

USER: I would like to start my journey on 02/14.

ASSISTANT: Do you have any specifications?

USER: I need a flag stop in between journey.

ASSISTANT: Let me know your return date.

USER: My return date is 02/16.

ASSISTANT: Thank you for sharing the details. There is a flight available with fare 100 in economy class of Hawaiian airline having single connection. Shall I reserve it?

USER: Sure, you can proceed for booking.

ASSISTANT: Your ticket has been reserved with flight number 1002.

USER: Thanks for your service.

ASSISTANT: Thank you for choosing us.