You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: Would you please help me in  booking a ticket from OAK to HOU where I have a friend to meet.

ASSISTANT: Please provide your trip dates.

USER: My travel dates are as follows Mar 20 and Mar 22.

ASSISTANT: Do you need any connection limit?

USER:  I would like to board a single connection flight.

ASSISTANT: Do you need any other specifications?

USER: I have no other preferences.

ASSISTANT: May I know your name?

USER: Scott Edwards.

ASSISTANT: There are no flights available on your routes.

USER: No issue, thank you for the information.

ASSISTANT: Thank you for opting us.