You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I render you?

USER: I am Anna Young. I am going for trekking at Mount Evans on 04/13, can you help me in booking a single connecting flight?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please provide your arrival date?

USER: I will be back on 04/15.

ASSISTANT: Can you please share your boarding and landing points?

USER: I would like to fly from LGA to DEN.

ASSISTANT: Ok, please wait  a moment.

USER: Ok.

ASSISTANT: Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER: Ok, no issues. Thank you for your time.

ASSISTANT: Thank you for approaching us.