You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Carolyn Lopez. I want to book a connecting flight ticket to attend my sister's marriage at DC-IAD.

ASSISTANT: Sure, may I know your journey dates?

USER: 08/22 and 08/24 are my travelling dates.

ASSISTANT: Do you have any specifications?

USER: 5000 is my fare.

ASSISTANT: Can you share your source airport code?

USER: NY-LGA will be my source airport code.

ASSISTANT: There is a connecting flight with number 1029 in airline Frontier, the fare is 200.

USER: You can reserve it.

ASSISTANT: Your ticket is confirmed.

USER: Thank you.

ASSISTANT: Thank you for opting us.