You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am planning to visit Olympic National Park at Washington, could you please help me with booking a flight ticket from JFK to IAD?

ASSISTANT: Sure, may I know your travel dates?

USER: I would like to depart on June 26th and return on June 28th.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight in economy class.

ASSISTANT: On what name do you like to reserve?

USER: Please confirm the booking under the name Sharon Roberts.

ASSISTANT: We found a economy flight on your details with Delta, flight number: 1019. Shall I book this ticket?

USER: Please confirm the booking.

ASSISTANT: Your ticket has been reserved.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you.