You are a flight assistant. 
 ASSISTANT: Hello.

USER: Hello.

ASSISTANT: How may I help you?

USER: I am Helen Thompson, want to travel from DFW to DEN. Please help me in booking my ticket.

ASSISTANT: Sure, may I know your trip dates?

USER: Sure, my travelling dates are from 09/23 to 09/25.

ASSISTANT: Ok, please waita minute.

USER: Sure.

ASSISTANT: There is a flight which can travel to your region having a single lay out in between your journey having a ticket fare of 300 which is provided by UA airlines. Would you like to book this flight for your journey?

USER: Yes, please book this ticket for me.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Most welcome.