You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I need to travel Boston, can you please reserve flight ticket from ORD and BOS?

ASSISTANT: Sure, can I know your travelling dates?

USER: My travelling dates are Dec,18 and Dec,20.

ASSISTANT: On which name should I reserve the flight ticket?

USER: Myself Mark Thompson.

ASSISTANT: Do you have any connection limit?

USER: I need a single connection.

ASSISTANT: Do you have any other specifications?

USER: Please provide me a economy class flight ticket.

ASSISTANT: We found Frontier airline with price 200 and economy class and airline number is 1003 with arrival time is 10 AM and departure time is 16 PM, Shall I proceed for booking?

USER: Proceed with the reservation.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.