You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Michelle Carter here.

ASSISTANT: Hello Carter.

USER: I have a Seminar in Charlotte.Can you please help me for booking a ticket?

ASSISTANT: Sure, could you please provide your nearest airport codes for booking?

USER: My airport codes are from CO-DEN to NC-CLT.

ASSISTANT: Ok, may I know your preferable dates of travelling?

USER: My departure date is 07/26 and return date is 07/28. Make sure my connections limit is 1.

ASSISTANT: Ok, please wait moment to check the availability of flights.

USER: Ok.

ASSISTANT: Based on your details, flight number 1008 from Southwest airlines with the fare of 100 is available for you.

USER: Please proceed for booking.

ASSISTANT: Ok, your booking is done.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing our service, have a great journey.