You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Paul Turner here. Can you please book me a ticket from BOS to SEA?

ASSISTANT: Sure, We are here to help you. Can I know your travelling dates?

USER: My trip dates are July 15th and 17th.

ASSISTANT: Do you need a connecting flight or direct flight?

USER: I need a single connecting halt.

ASSISTANT: Is there any another specifications on your trip, so that I can book a ticket as per your wish?

USER: My return time must be in the evening.

ASSISTANT: Ok. We found a United airline, flight number:1013 and the price is 100.

USER: Please proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank  you for approaching us.