You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I render you?

USER: I am Debra Baker and I want to book a flight ticket to Philadelphia, PA-PHL to attend a Comic con, can you help me to book a flight ticket from Denver, CO-DEN?

ASSISTANT: Sure, let me know if you need a stopover within your journey.

USER: I need a whistle stop with in my journey.

ASSISTANT: May I know your intended dates of journey?

USER: 06/19 and 06/21 are my scheduled journey dates.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

ASSISTANT: Thank you for being patient. We found a Southwest airline available according to your specifications with flight number 1009 and price of 200.

USER: Ok, please reserve my seat with this airline.

ASSISTANT: Your reservation has been made.

USER: Thanks for your kind service.

ASSISTANT: Thank you for contacting us.