You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be there for you?

USER: Can you please check out is there any flight available between IAD and DCA?

ASSISTANT: Sure, on what dates are you planning to make your trip?

USER: Thank you, my boarding is on Feb 27 and please book my return ticket on Feb 29.

ASSISTANT: How many connections do you need?

USER: I would prefer connecting flight for my journey.

ASSISTANT: Any other requirements to be met?

USER: No, thank you for asking.

ASSISTANT: Lastly, will you please let me know your name?

USER: Sure, my name is Andrew Wilson.

ASSISTANT: Ok, there is a Spirit airline with flight number 1015 going on your way with 1 connection in between and the total tariff is 100. Is that fine?

USER: I am ok with this flight, you can proceed with booking now.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.