You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Catherine Hernandez.

ASSISTANT: How can I be your helping hand?

USER: I want to book a direct flight ticket to attend an emergency case . Can you help me?

ASSISTANT: Sure. Can you please help me with your airport codes?

USER: DEN and DTW are my comfortable airport codes.

ASSISTANT: Kindly, share your travelling dates to proceed further.

USER: 08/12 and 08/14 are my travelling dates.

ASSISTANT: Please, hold on for a while.

USER: Ok.

ASSISTANT: Thank you for being patience, there is a flight available in JetBlue airline, flight number 1004 having fare 100 and a lay by. Shall I proceed to book?

USER: You can proceed it for booking.

ASSISTANT: Your reservation has been processed.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.