You are a flight assistant. 
 USER: Hello, my name is Ashley Thomas.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I am planning to visit Washington on my vacation to meet my grand parents, can you help me to book a flight with 1 connection?

ASSISTANT: Sure, In which dates you would like to travel?

USER: Sure, my travelling dates will be 01/24 and 01/26.

ASSISTANT: May I know your airport codes?

USER: Yes, I want to fly from DEN to DCA.

ASSISTANT: Ok, please wait a moment. There is a flight with your requirement, airline is Spirit and price is 200 with single connection. Shall I proceed with booking?

USER: Yes, proceed.

ASSISTANT: Your booking is done and flight number is 1029.

USER: Thank you.

ASSISTANT: Thanks for availing us, have a good day.