You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I want to travel from EWR to SEA for my business trip, can you please reserve a flight ticket between those locations?

ASSISTANT: Ok, may I know your good name please?

USER: Sure, my name is Sandra White.

ASSISTANT: Ok, may I know on which dates you are willing to travel?

USER: Thank you for accepting my request, I am planning to move on May 01 and please book my return ticket also on May 03.

ASSISTANT: Is there any specific airline preference for you?

USER: No, I don't have any other preferences.

ASSISTANT: There is direct flight of fare 100 with Delta Airlines, are you ok with this booking?

USER: I am ok with this flight, you can proceed with booking now.

ASSISTANT: Ok, I reserved your ticket with economy class, flight number is 1009 and depart time will be 20:00PM and return time will be 1:00AM.

USER: Thank you for your assistance.

ASSISTANT: You are welcome.