You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please book a flight ticket with normal-cost airlines?

ASSISTANT: Sure, I am here to help you for this. When are you planning your trip?

USER: My journey dates are on Aug 14th and 16th.

ASSISTANT: Could you please share me your airport codes?

USER: My airport codes are, ATL to OAK.

ASSISTANT: May I know your name please?

USER: My name is Patrick Adams.

ASSISTANT: Is there any other requirements regarding your journey?

USER: I prefer a flight with single connection.

ASSISTANT: Sorry for inconvenience, no flights are found with your specifications.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you very much for contacting our agency.