You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you at this moment?

USER: Can you please reserve my flight ticket from BOS to SFO?

ASSISTANT: Sure, I will help you with that. Can you please mention your preferable travel dates?

USER: My preferable dates are June 23rd and June 25th.

ASSISTANT: May I know your name for further process?

USER: Ruth Nelson.

ASSISTANT: Do you need any specific depart and arrival time for this trip?

USER: No.

ASSISTANT: Do you have any another specifications?

USER: I will prefer to travel in an economy class.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

ASSISTANT: Frontier airline flight available with connection limit 1 and fare is 100, shall I confirm this economy class flight?

USER: You can confirm.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1016.

USER: Thank you.

ASSISTANT: You are welcome Ruth Nelson.