You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Amanda Moore. Can you help me in booking flight to reach LAX from DEN?

ASSISTANT: Sure, may I know your travel dates?

USER: My planned journey dates are Sept 16 and Sept 18.

ASSISTANT: At what time do you like to travel?

USER: I would like to return in the evening.

ASSISTANT: Sorry, there is no flight on your details.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.