You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Christine King here.

ASSISTANT: What type of help do you expect from our agency?

USER: Can you make a reservation from EWR to SEA for my business meeting?

ASSISTANT: Sure, I will help you to reserve the flight ticket. Can I have your planned trip dates?

USER: Thank you, my departure is on May 17 and please reserve my return ticket on May 19.

ASSISTANT: Ok, do you need a direct flight or a connecting flight to travel?

USER: I will prefer connecting flight.

ASSISTANT: Ok, please give me a minute. In the meanwhile, tell me your preferences if any?

USER: Take your time but try to get my departure flight at morning time.

ASSISTANT: Sorry to tell you, there are no flights available in this route on the dates you have given.

USER: Oh! Sad to hear that. Anyway, thank you for the information.

ASSISTANT: You are most welcome. Thank you for opting us.