You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

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

ASSISTANT: Sure, may I know your travelling dates?

USER: I would like to depart on Sept 26th and return on Sept 28th.

ASSISTANT: On which name shall I reserve flight ticket?

USER: Please book the ticket under the name Donald Brown.

ASSISTANT: Do you need any specifications?

USER: I am looking for a connecting flight.

ASSISTANT: Please wait a moment.

USER: Sure, take your time.

ASSISTANT: There is a direct with the price 200 in Spirit Airlines, can I proceed with the reservation?

USER: Please confirm the booking.

ASSISTANT: Your ticket has been reserved with the flight number 1007 in economy class.

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

ASSISTANT: Thank you for reaching our service.