You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be at your service?

USER: I would like to book a ticket from SEA to BOS. Could you book a ticket?

ASSISTANT: Sure, please share me your trip dates.

USER: Departure is on Apr, 6 and return date is Apr, 8.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I would be comfortable with single stop over.

ASSISTANT: If you can help me with your name, I can check with the availability of flights.

USER: I am Stephen Rodriguez.

ASSISTANT: Are there any other specifications?

USER: I prefer normal-cost airlines.

ASSISTANT: There is a connecting flight 1005 in Delta airlines at the price of 100 with economy class. Can I proceed?

USER: Proceed for booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for approaching us.