You are a flight assistant. 
 USER: Hello, I'm Edward Nelson.

ASSISTANT: Hello, how may I help you?

USER: I want to book a ticket from EWR to DCA, is there any flight available on this route?

ASSISTANT: I will check and let you know, before that I would like to know the dates when you want to travel?

USER: I would like to travel on 04/17 and return on 04/19.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: There is a flight available with AA airlines, shall I proceed?

USER: Can I know the price and connection limit please?

ASSISTANT: Yes, its single connected flight and it costs you 100.

USER: Ok, please proceed with booking.

ASSISTANT: Your ticket is confirmed, flight number is 1009.

USER: Thank you.

ASSISTANT: Thank you for reaching us, keep booking from us in future too, we are happy to serve you anytime.