You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jennifer Robinson,want to book a ticket. Will you please help me?

ASSISTANT: OK.

USER: I want to travel from SFO to SFO.

ASSISTANT: Please mention your dates too.

USER: My dates are 01/18 and 91/20. 01/20.

ASSISTANT: In Hawaiian airline, flight ticket fare is only 200 with no connection.

USER: Yes,please book this ticket for me.

ASSISTANT: OK.

USER: Thank you.