You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: Charles Wilson here. I want to meet my friend in DTW, can you please book a flight from DCA?

ASSISTANT: Sure, can you please share your travel dates?

USER: My journey dates are from Oct 6th and my return on Oct 8th.

ASSISTANT: Do you have any class preference?

USER: No, please check for 1 connection flight.

ASSISTANT: Charles Wilson, there is a flight available with price 100 and the connection is 1 with Frontier airline. Would you like me to proceed with the booking?

USER: Ok, please book it.

ASSISTANT: Your booking is confirmed with 1025 flight number.

USER: Thank you for helping me.

ASSISTANT: You are welcome. Thank you for reaching us.