You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Eric Anderson.

ASSISTANT: In which way I can assist you today?

USER: Can you please book a flight ticket from ORD to SFO?

ASSISTANT: Sure, I can help you in booking flight ticket.

USER: Thank you.

ASSISTANT: May I know your preferable travel dates for booking flight ticket?

USER: Sure, I need to travel on dates of 06/03 and 06/05.

ASSISTANT: Ok, please wait a moment, I will check flight availability.

USER: Sure, take your time.

ASSISTANT: There is a flight available in this route, airline is Spirit and flight number is 1001. Are you ok with this flight?

USER: That's fine, please proceed with booking.

ASSISTANT: Your flight ticket is booked successfully.

USER: Thank you for your help.

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

USER: Most welcome.