You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I render you?

USER: I am Katherine Martinez, want to book my round trip ticket from ORD. Can you help me?

ASSISTANT: Sure, please provide your itinerary dates.

USER: My itinerary dates are from 03/23 to 03/25.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: AA airlines with flight 1018 is available on your route.

USER: Thank you.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.