You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please check out is there any flight available between DEN and PHL?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Thank you, my boarding is on Aug 10 and please book my return ticket on Aug 12.

ASSISTANT: May I know your connection limit?

USER: Sure, I would prefer single connection.

ASSISTANT: Do you have any other specifications?

USER: I would like to return at evening time.

ASSISTANT: May I know your good name?

USER: Sure, my name is Angela King.

ASSISTANT: We found an airline: Frontier, flight number: 1024 and price is 300 with one connection.

USER: I am ok with this flight, you can proceed with booking now.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.