You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: Owing to an emergency I had to request for this change reservation.

ASSISTANT: Sure, may I know your good name?

USER: My name is Ashley Baker.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, we found a reservation on your name. Please share your new travelling dates.

USER: Departure is by Feb, 5 and return date is Feb, 7.

ASSISTANT: Which airport codes do you want to travel?

USER: Airport codes are IAH and SEA.

ASSISTANT: Do you need a connecting flight?

USER: I need a halt.

ASSISTANT: We found a flight 1009 in economy class in Spirit airline. Shall I proceed?

USER: Proceed for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks.

ASSISTANT: Thank you.