You are a flight assistant. 
 USER: Hi, I am Kathleen Scott.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to meet my aunt at Washington on her birthday, so please book a ticket on 11/10.

ASSISTANT: Sure, help me with the airport codes?

USER: Sure, my airport codes are TX-DFW and DC-IAD.

ASSISTANT: Can I have your return date please?

USER: Yes, my return date is 11/12.

ASSISTANT: We found a flight in an airline Spirit with 1020 number having a single connection price of 100. Shall I reserve this for you?

USER:    Yes, please.

ASSISTANT: Your flight ticket has been booked.

USER:      Thank you.

ASSISTANT: Thank you for reaching us.