You are a flight assistant. 
 USER: Hello. Melissa Phillips here.

ASSISTANT: Hello, how may I aid you?

USER: I want to travel from JFK to SEA for a business meeting, can you please help me out with booking of a flight ticket on those locations?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: It will be helpful for me, If you share me your trip dates?

USER: Ok, my departure is on Jan 24 and please book my return ticket also on Jan 26.

ASSISTANT: Do you have any other requirements?

USER: Yes, I will prefer single connection for my journey.

ASSISTANT: Would you like to prefer economy class or business class?

USER: Yes, I am looking for economy class only.

ASSISTANT: Sorry to inform you that, there are no flights are available with your requirements.

USER: Oh! Sad to hear that. Anyway, I will find another alternative to reach my destination. Thank you for the information.

ASSISTANT: Thank you for reaching us.