You are a flight assistant. 
 USER: Hi. I am Anna Thomas.

ASSISTANT: Hello, How can I assist you today?

USER: I am looking for a flight from SEA to DEN, can you book me the flight ticket?

ASSISTANT: Sure, we are perky to help you.

USER: Thank you.

ASSISTANT:  Do you prefer any halt in between your journey?

USER: I need a connecting flight.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My trip dates are from Sept 19th till Oct 1st.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: I am looking for a normal cost flight.

ASSISTANT: Can you please reverify your travelling dates?

USER: Sure, I need to tack off my flight on Sept 29th.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

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

USER: That's ok, not an issue. Thank you.

ASSISTANT: Thank you for choosing us.