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

ASSISTANT: Hello. How can I aid you?

USER: As I am planning to attend a live concert at Boston, MA - BOS. Can you help me book a flight ticket from Seattle, WA - SEA?

ASSISTANT: Sure. Can I know your travelling dates?

USER: My journey dates are planned to be on 05/13 and 05/15.

ASSISTANT: Do you need any connecting flight?

USER: I choose a connecting flight.

ASSISTANT: We found a Delta airline, flight number:1007 and the price is 100.

USER: You can proceed for booking.

ASSISTANT: Thank you for choosing us. Your flight ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you.