You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ruth Davis.

ASSISTANT: How may I address you today?

USER: I want to reserve my ticket which is direct for me to travel, can you please help me in this?

ASSISTANT: Sure, can I know your exact airport attributes?

USER: My airport codes are EWR and SFO.

ASSISTANT: May I know your planned travelling dates to proceed further?

USER: My travelling dates are 12/01 and return on 12/03.

ASSISTANT: Just a moment I will check and revert to you.

USER: Sure.

ASSISTANT: Thanks for waiting, unfortunately there are no flights found with your requested dates.

USER: No problem, thank you for your information.

ASSISTANT: Thanks for opting us.