You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: Can you please check availability in a flight for me to travel from EWR to IAD?

ASSISTANT: Sure, may I know your name please?

USER: My name is Christine Moore.

ASSISTANT: Please let me know your connection limit.

USER: I am fine max one connection.

ASSISTANT: When you are planning to make your journey?

USER: I will be travelling on Mar 27th and 29th.

ASSISTANT: Is there any class preference?

USER: I prefer to fly in business class.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there is no flights found matching your requirements.

USER: Not an issue, thank you.

ASSISTANT: Thank you for choosing us.