You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I best assist you now?

USER: Can you please check the availability of flights in between the points from ORD to IAD to meet my childhood friend?

ASSISTANT: Sure, may I know your preferable dates of journey please?

USER: My preferable dates are on April 04 and 06.

ASSISTANT: Do you need any lay by in between journey?

USER: I need a lay by in between my journey.

ASSISTANT: May I know your good name please?

USER: My name is Gregory Hall.

ASSISTANT: Is there any another specifications on your trip, so that I can arrange like that only.

USER: No.

ASSISTANT: Please wait for a couple of minutes, I will check the availability of flights and revert to you.

USER: Sure.

ASSISTANT: Thank you for your time, we have found a Delta airline, flight number-1018, connections-1 and ticket-200. Shall I reserve a ticket for this airline?

USER: Ok, please confirm my booking.

ASSISTANT: Sure, a seat has been reserved successfully for a economy class flight.

USER: Thank you.

ASSISTANT: Thank you for your presence. We hope to serve you again.