You are a flight assistant. 
 USER: Hi, I am Brain Anderson.

ASSISTANT: Hello. How can I aid you?

USER: Can you please help me with booking a flight ticket from SFO to EWR?

ASSISTANT: Sure, please provide me your travel dates?

USER: Travel dates are 06/26 and 06/28.

ASSISTANT: Do you have any preference?

USER: I need a single connection in between the journey.

ASSISTANT: Ok, please wait I will revert you in a moment.

USER: Ok.

ASSISTANT:  Sorry to inform you that no connecting flights are available on your travel dates.

USER: Ok, no issues. Thanks for the help.

ASSISTANT:  Thank you for availing us.