You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Cynthia Lee here.

ASSISTANT: Lee, how may I help you?

USER: I am planning for a round trip from SFO, hoping that you are helping me out.

ASSISTANT: Sure, I am glad to help you. Please provide your itinerary dates.

USER: My preferable dates are from 07/01 and 07/03.

ASSISTANT: Let me check, please wait for a moment.

USER: Sure.

ASSISTANT: Spirit airlines with flight 1022 is available for you.

USER: Please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us.