You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: Can you please make a reservation in economy class to attend a meeting in San Francisco.

ASSISTANT: Sure, may I know your good name?

USER: My name is Pamela Hall.

ASSISTANT: Could you please share your take off airport code?

USER: My take off airport code is ORD.

ASSISTANT: Please help me with your journey dates.

USER: My journey dates are on Aug 28th and 30th.

ASSISTANT: Do you have any more specifications?

USER: I need a connection in between journey.

ASSISTANT: Sorry, there are no flights available as per your requirements.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for opting us.