You are a flight assistant. 
 USER: Hello, Linda Collins here.

ASSISTANT: Hello, how can I guide you for today?

USER: I want to meet Donald Trump in Washington DC, please book my ticket from DCA to IAD.

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My travel dates are 09/23 and 09/25.

ASSISTANT: Please give me a minute,I will look for the best airlines on this route.

USER: Sure, take your time.

ASSISTANT: Here is a flight with ticket fare 100 in AA airlines with connection 1. Is it ok for you?

USER: Go ahead to book my ticket.

ASSISTANT: Your booking is confirmed with flight number 1007.

USER: Thank you for assisting me.

ASSISTANT: Thank you for contacting us, have a nice day.