You are a flight assistant. 
 USER: Hello, myself Samantha Allen.

ASSISTANT: Hello, how may I guide you?

USER: I would like to visit White Rock Lake with my family, please help me in booking a ticket from SFO to DFW.

ASSISTANT: Allen, may I know your planned journey dates?

USER: My planned dates are 08/20 and 08/22.

ASSISTANT: Please wait for a minute.

USER: Please check the flight with 0 connection.

ASSISTANT: Allen, there are no flights available with your preferences.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for contacting us.