You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be at your service?

USER: Please reserve a flight ticket to Atlanta, ATL under the name of Mary Parker.

ASSISTANT: Ok. Let me know your travelling dates please.

USER: My journey dates are from 03/15 to 03/17.

ASSISTANT: Help me with your source code.

USER: I want to board from Oakland, OAK.

ASSISTANT: Thanks for your time. We found 2 connecting flights with your data.

USER: I need a single connecting flight, do not proceed further.

ASSISTANT: Ok.

USER: Thank you for the information.

ASSISTANT: Thank you for availing us.