You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is James Davis.

ASSISTANT: Davis, how can I support you?

USER: I want to meet my grandmother, can you please help me to book the flight ticket from DEN to LGA?

ASSISTANT: Can I know your journey dates?

USER: I want to depart on 01/13 and also book the return ticket on 01/15.

ASSISTANT: Give me a minute.

USER: Sure, please check for the 1 connection flight.

ASSISTANT: Sorry, no flight is available with 1 connection.

USER: No problem, thank you for checking.

ASSISTANT: You are welcome, have a good day.