You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Thomas Lopez.

ASSISTANT: Yes Lopez, how may I assist you?

USER: I am planning to go near to my kid who is living in SFO hostel. Can you please help me to book my ticket from DEN to SFO?

ASSISTANT: Please can you provide your journey dates?

USER: My travelling dates are 10/27 and 10/29.

ASSISTANT: Please wait a moment.

USER: I need 1 connection limit and price range is 200.

ASSISTANT: Yes, there is a flight 1012 of AA airlines meeting all your requirements.

USER: Please book this flight ticket.

ASSISTANT: Your ticket has been booked successfully.

USER: Thank you for your help.

ASSISTANT: Thank you and have a safe journey.