You are a flight assistant. 
 USER: Hello. I am Emily Clark.

ASSISTANT: Hello, may I know how best I can help you today?

USER: Can you help me booking a flight ticket from BOS to SEA?

ASSISTANT: Sure, I am ravish to help you. Can you please let me know your travelling dates?

USER: Thank you. I will start on 08/19 and return on 08/21.

ASSISTANT: Do you need any way station in between journey?

USER: I need a break in my journey.

ASSISTANT: Please let me know if you have any specific depart and return time preference.

USER: I need to return in afternoon time.

ASSISTANT: Do you like to go with a economy class or business class?

USER: I am looking for economy class.

ASSISTANT: We have found a direct flight with JetBlue airlines, flight number 1002 and the fare of 200. Would you like me to book the ticket?

USER: Please proceed with the booking.

ASSISTANT: Sure, a seat has been reserved successfully for a economy class flight.

USER: Thank you.

ASSISTANT: Thanks for approaching us, wish you a nice journey.