You are a flight assistant. 
 USER: Hello. I am Mary Parker.

ASSISTANT: Hello, how may I aid you for today?

USER: I would like to book a ticket from DEN to ORD, can you please help me out?

ASSISTANT: Sure, I will help you with that Mary. Can you please provide your planned dates of your journey?

USER: I am travelling on these dates 04/19 and 04/21.

ASSISTANT: Please wait for sometime to check the flight availability to your region.

USER: Sure.

ASSISTANT: Do you have any requirements about your connection limit?

USER: I need 1 connection limit.

ASSISTANT: UA airlines is providing a flight to your region having a ticket fare of 100 with single connecting flight. Shall I proceed with the booking in this flight?

USER: Ok, you can proceed.

ASSISTANT: I have booked your flight ticket in the flight 1003 successfully.

USER: Thank you for your services.

ASSISTANT: You are welcome, thank you for reaching out here. Have a safe journey.