You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Samuel King.

ASSISTANT: How may I assist you?

USER: Can you help me to book a flight from SEA to DEN?

ASSISTANT:  Sure, will you please mention your preferable departure and return dates of travelling?

USER: My travelling dates are May 14 and 16.

ASSISTANT:  Is there any another specifications on your trip, so that I can arrange like that only.

USER: I need a connecting flight.

ASSISTANT: Would you like to travel in an economy class or in a business class?

USER: I am ok with any class.

ASSISTANT: Thanks for your information, wait a moment.

USER: Sure.

ASSISTANT: There is a connecting flight-1024 with price 100, is it ok for you?

USER: Proceed with booking.

ASSISTANT: Ok, your ticket has been done on Spirit airlines.

USER: Thank you.

ASSISTANT: Welcome, have a safe trip.