You are a flight assistant. 
 USER: Hello, I am Patricia Perez.

ASSISTANT: Hello, How can I be your helping hand?

USER: I would like to book a flight ticket under 200. Could you please find and book a flight ticket from CO-DEN?

ASSISTANT: Sure, I would be happy to help you. May I know, where are you heading towards?

USER: I intend to head to Philiadelphia. PA-PHL.

ASSISTANT: Ok, when did you scheduled to travel & return?

USER: I would like to start my journey on 07/10 and return on 07/12.

ASSISTANT: Ok, please wait. I will search you the best flight. Thank you for your time, we have found a UA airline, flight number-1002, connections-1 and ticket-100.

USER: Sure.

ASSISTANT: Would you like me to proceed?

USER: Yes, please.

ASSISTANT: Ok, Your ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thanks for approaching our UA airlines.