You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Frank Martinez.

ASSISTANT: How can I help you for the day?

USER: Can you help me to book a connecting flight from JFK to IAD?

ASSISTANT: Sure, I am here to help you with that. May I know your travelling dates, please?

USER: My travelling dates are 26 and 28 of Aug.

ASSISTANT: Do you have any other specifications?

USER: My depart time will be on afternoon and return time will be morning.

ASSISTANT: There is a connecting flight-1005 in American Airlines with a fare of 100. Shall I proceed?

USER: Ok, proceed with the booking.

ASSISTANT: Your booking is done in economy class.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us, have a safe journey.