You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I aid you?

USER: Can you please help me in reserving me a flight from AUS to reach IAD?

ASSISTANT: Sure, May I know your travelling dates?

USER: Thank you, I would like to depart on Nov 23rd and arrive on Nov 25th.

ASSISTANT: Do you have any connection limit?

USER: I am comfortable with a connecting flight.

ASSISTANT: Any other preferences?

USER: I don't have any other preferences.

ASSISTANT: May I know your name?

USER: My name is Cynthia Moore.

ASSISTANT: Sorry, there are no flights found with your details.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you.