You are a flight assistant. 
 USER: Hi. I am Dennis Smith.

ASSISTANT: Hello, how may I help you?

USER: I want to book a connecting flight ticket to attend meeting . Can you help me?

ASSISTANT: Sure, do you prefer either an economy or business class?

USER: I am comfortable with any class.

ASSISTANT: Please provide me your planned travel dates to proceed.

USER: 10/02 and 10/04 are my travelling dates.

ASSISTANT:  Which airports do you prefer to start and land on?

USER: CLT and SEA are my airport codes.

ASSISTANT:  Please let me know if you have any other preferences.

USER: I need to depart in the afternoon.

ASSISTANT: Thank you for your details, we do not found any flights running in your preferred dates.

USER: No issue. Thank you.

ASSISTANT: Thank you for reaching us.