You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello,. How may I help you?

USER: I am Stephanie King. There is a Zoo in Denver which is very famous, And I am taking my kids there for a holiday. Can you help me in booking with a connecting flight?

ASSISTANT: Please specify your travelling dates?

USER: I want to travel on 02/23 and intend to return on 02/25.

ASSISTANT: Please mention your travelling codes?

USER: I am heading to Denver, DEN from San Francisco, SFO.

ASSISTANT: Ticket is available with flight number 1013, airline Spirit having price 200.

USER: It's perfect, proceed with the booking.

ASSISTANT: Ticket is booked.

USER: Thank you for the help.

ASSISTANT: Thanks.