You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I would like to travel from DEN to LAS, can you book the flight ticket for me?

ASSISTANT: Sure. Please help me with your journey dates.

USER: My journey dates would be from 07/20 till 07/22.

ASSISTANT: Please provide your name to proceed further.

USER: I need 1 connection limit. Mary Nelson.

ASSISTANT: There are no flights available with connections 1.

USER: That's ok.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your help.