You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what assistance you are expecting from us?

USER: I am Catherine Lopez. I would like to book a ticket to Washington DC as I am moving for business meet, can you please help me out?

ASSISTANT: Yes, I will assist you with booking a flight ticket. Can you please let me know your travel dates?

USER: I am travelling on these dates 07/07 and 07/09.

ASSISTANT: Ok, what are the airport codes that you prefer?

USER: I am flying from DEN to DCA.

ASSISTANT: Ok, please let me check the flight.

USER: Sure.

ASSISTANT: There is a flight airlines Spirit with the connection limit 1 and the price is 100. Can I proceed?

USER: Ok, you can proceed with this flight.

ASSISTANT: Your ticket is reserved with the flight number 1017.

USER: Thank you for your services.

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