You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide service to you?

USER: Can you please make a reservation between DEN and IAD?

ASSISTANT: Sure, could I have your journey dates, please?

USER: Thank you for considering my request, my boarding is on May 28 and please book my return ticket on May 30.

ASSISTANT: Sure, may I know your good name?

USER: My name is Catherine Thomas.

ASSISTANT: Please let me know your connection limit?

USER: I will prefer single connection for my journey.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: We found a JetBlue airline, price is 100 in economy class with one connection. Shall I proceed?

USER: I am ok with this flight, you can proceed with booking.

ASSISTANT: Your booking has been confirmed with a flight number 1004.

USER: Thank you for your assistance.

ASSISTANT: Thank you for opting us.

USER: Welcome.