You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Elizabeth Rodriguez here. I would like to book a ticket from LAX to DEN, can you please help me with that?

ASSISTANT: Can you please provide your planned dates of journey?

USER: The travel dates are from Jan 01 to Jan 03.

ASSISTANT: May I know your other specifications?

USER: My depart and return time is at evening.

ASSISTANT: Do you like to go with a economy class or business class?

USER: No, but I need a flight with 1 connection.

ASSISTANT: Sorry Elizabeth Rodriguez, there is no flight for you on your route.

USER: That's ok, thank you for your help.

ASSISTANT: Thank you for reaching us.