You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Katherine Johnson.

ASSISTANT: How can I help you?

USER: I am planning a trip to Houston, IAH to meet my grandparents. Can you please help me in booking a ticket from Denver, DEN?

ASSISTANT: Sure, I am gleeful to help you.

USER: Thank you.

ASSISTANT: May I know your travel dates please?

USER: I am planning my trip on the dates from 01/12 to 01/14.

ASSISTANT: Ok, wait for a while.

USER: Sure, take your own time.

ASSISTANT: Thank you for waiting, here there is a connecting flight and airfare is about 200. Shall I proceed further in booking?

USER: Please reserve my ticket with this airlines.

ASSISTANT: Your ticket has been confirmed for the flight 1010 from Spirit airlines.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for reaching us.