You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I render you?

USER: Can you please avail me a flight ticket with the name of Stephanie Carter to Washington, DC - IAD?

ASSISTANT: Ok, on which dates you want to travel?

USER: My trip dates are 09/09 - 09/11.

ASSISTANT: Please provide your source code?

USER: I want to fly from Oakland, CA- OAK.

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

USER: It's ok, not a problem.

ASSISTANT: Thanks for reaching us.

USER: Thank you for your information.