You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jerry Collins, here.

ASSISTANT: How may I help you?

USER: Me and my family want to visit freedom park in CLT, so I want to book a ticket from DCA.

ASSISTANT: Ok, may I know your dates please?

USER: We are travelling on 07/05 to 07/07.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your waiting, there is a flight for you with 1015 in UA airline.

USER: Ok, proceed for booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thanks for your service.

ASSISTANT: Thank you for reaching us.