You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Melisa Rodriguez. I am planning to book a ticket to attend a meeting at IAD. Can you please help me out to book a ticket from EWR?

ASSISTANT: Sure, we are here to assist you. When did you scheduled to travel?

USER: I am planning to travel on 11/28 and return back on 11/30.

ASSISTANT: Do you have any other requirements?

USER: Yes, my connection limit is 1.

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

USER: I am planning to go economy class.

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

USER: That's fine, thank you for your service.

ASSISTANT: Thank you for reaching us.