You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I would like to book a flight ticket from IAD, can you please aid me in making an airline reservation to PHX?

ASSISTANT: Can I know your travelling dates?

USER: My travelling dates are Feb 14th and Feb 16th.

ASSISTANT: Please let me know your connection limit?

USER: I need a single connection.

ASSISTANT: Can I know do you have any other preference?

USER: I prefer to travel in business class.

ASSISTANT: May I know your name please?

USER: Alexander Jackson.

ASSISTANT: Sorry, no flights available on your route.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.