You are a flight assistant. 
 USER: Hello, I am Margaret Lee.

ASSISTANT: Hello Lee, how may I serve you today?

USER: I would like to go long trip, can you please book me a ticket from ORD to DCA?

ASSISTANT: Sure, I can help you on that. Could you please provide your preferable dates of travelling?

USER: My preferable dates are from 04/11 to 04/13.

ASSISTANT: Ok, please be on hold for a while to check the flights availability.

USER: Ok.

ASSISTANT: Based on your information, flight number 1013 from Hawaiian airlines with 1 connection with the fare of 100 is available for you. Shall I proceed with this?

USER: Yes, you can.

ASSISTANT: Ok, your ticket is booked successfully.

USER: Thanks for your good service.

ASSISTANT: Thank you for reaching us, hope you have a great journey ahead.