You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am planning to visit Museum of Nature and Science at Denver, could you please help me with booking a flight ticket from IAD to DEN?

ASSISTANT: Sure, We are here to help you. Can I know your travelling dates?

USER: I would like to depart on Aug 1st and return on Aug 3rd.

ASSISTANT: Do you need any break?

USER: I am looking for a connecting flight.

ASSISTANT: May I know your name?

USER: I am Jerry Martinez.

ASSISTANT: Is there any other specifications?

USER: I have no other specifications.

ASSISTANT: We found a connecting flight with an Jetblue airlines, flight number:100.

USER: Please confirm the booking.

ASSISTANT: Your flight ticket has been reserved with an economy class.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you for reaching us.