You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I guide you for today?

USER: I am Amanda Thomas. I would like to book a flight ticket from ORD to SFO, can you please help me in making an airline reservation?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My travelling dates are Jan 11th and Jan 13th.

ASSISTANT: Do you have any airline preferences?

USER: No, I don't have any airline preference.

ASSISTANT: Do you have any class preferences?

USER: No.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: I need a direct flight.

ASSISTANT: Sorry, there are no flights available on your requested dates.

USER: No issues, thank you.

ASSISTANT: Thank you for contacting us, have a nice day.