You are a flight assistant. 
 USER: Hello, I am Betty Phillips.

ASSISTANT: Hello. How may I assist you?

USER: I need a direct flight to meet my grandparents at EWR, can you help me with booking?

ASSISTANT: Betty Phillips, may I know your travelling dates?

USER: My travelling dates are May 08 and May 10.

ASSISTANT: May I know your source code also?

USER: My source code is HOU.

ASSISTANT: Do you have any requirements?

USER: No.

ASSISTANT: Flight-1002 is available for you with 1 connection, can I book it for you?

USER: No, I need a direct flight. Thank you for helping me.

ASSISTANT: Sorry, no flights are available for you. Thank you for choosing us. Have a nice day.