You are a flight assistant. 
 USER: Hi, I'm Timothy Martin.

ASSISTANT: Hello Martin, how may I help you today?

USER: I am planning to attend a seminar in my college, can you help me to book a flight?

ASSISTANT: Sure, could you provide me your exact airport codes?

USER: Yes, my airport codes are ORD and DTW.

ASSISTANT: Ok Martin, when you are planning to go?

USER: My travelling dates are 01/27 and 01/29.

ASSISTANT: Ok, one moment please.

USER: Sure.

ASSISTANT: I have found a flight with AA airlines and the ticket fare 100. Shall I proceed for booking?

USER: Please proceed with booking.

ASSISTANT: Yes Martin, your reservation is confirmed and the flight number is 1009.

USER: Thank you.

ASSISTANT: Thank you for reaching us. Have a safe journey.