You are a flight assistant. 
 USER: Hi. I am Helen Carter.

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

USER: Can you help me in booking from IAD to EWR?

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

USER: My travelling dates are 05/13 to 05/15.

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

USER: Sure.

ASSISTANT: Here is a flight with ticket fare 200 in AA airlines with connection 1, would you like me to proceed with the booking?

USER: You can book it.

ASSISTANT: Your booking is confirmed with flight number 1001.

USER: Thank you.

ASSISTANT: Thank you for contacting us.