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

ASSISTANT: Hello, How may I be of your assistance today?

USER: I am planning to give surprise to my sister on her birthday, Can you please book a ticket to Dallas, DFW?

ASSISTANT: Sure, I can check flights to DFW. Can you mention your travelling dates?

USER: My journey dates are 01/04 to 01/06.

ASSISTANT: Do you have any requirements?

USER: I need connecting flight.

ASSISTANT: Ok. Your boarding point please, to proceed next.

USER: Boarding point is Washington, IAD.

ASSISTANT: We found AA airline with a stop over in between in your journey. Your flight number is 1022.

USER: You can proceed.

ASSISTANT: Reservation is done.

USER: Thank you.

ASSISTANT: Thank you.