You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Margaret Williams.

ASSISTANT: How may I render you?

USER: I need to book a ticket to meet my colleagues in Botanical Garden on 02/15, so could you please help me in making reservation on those dates  02/15 and 02/17?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your airport codes that you wish to board and land?

USER: My airport codes are Philadelphia, PA-PHL and Denver, CO-DEN.

ASSISTANT: Do you have any connection limit?

USER: I need a break in between the journey.

ASSISTANT: Thank you for your details, we found a flight in an airline Spirit with 1005 number having a single connection price of 100.

USER: You can proceed with booking.

ASSISTANT: Shall I proceed to book?

USER: Yes, you can.

ASSISTANT: Your flight ticket is done with the booking.

USER: Thank you.

ASSISTANT: Thank you for opting us.