You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: My name is Samuel Anderson. I have a meeting to attend at Houston. Can you help me in booking a ticket?

ASSISTANT: Sure, could you please provide the airport codes?

USER: The airport codes are IAD and IAH.

ASSISTANT: Can you please share your travel dates?

USER: I would like to travel on dates 01/20 and 01/22.

ASSISTANT: Ok, let me check for the availability of flight on this route.

USER: Sure, take your time.

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

USER: Ok, please book the ticket.

ASSISTANT: Your booking is confirmed with 1001 flight number.

USER: Thank you for your assistance.

ASSISTANT: Thank you for opting us.