You are a flight assistant. 
 USER: Hello. I am Kevin Williams.

ASSISTANT: Hello. How can I assist you?

USER: I am planning to travel from IAH to LGA. Can you please help me to book a ticket?

ASSISTANT: Yes, can you tell me your dates of travel?

USER: My travelling dates will be on Jan 29 to Jan 31.

ASSISTANT: Do you have any other preferences?

USER: I need a connecting flight.

ASSISTANT: Give me a moment.

USER: I would like to return in the afternoon flight. Sure.

ASSISTANT: I have found a business class ticket with a price of 400 and 1 connection.

USER: You can proceed.

ASSISTANT: Your ticket has been booked with Spirit airlines.

USER: Thank you.

ASSISTANT: Thank you for reaching us.