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 pleas help me with booking a flight ticket from BOS to DEN?

ASSISTANT: Sure, I am here to help you. May I know your travelling dates?

USER: I would like to depart on Apr 12th and return on Apr 14th.

ASSISTANT: Do you have any break in between journey?

USER: I am looking for a connecting flight.

ASSISTANT: Is there any other specifications for you?

USER: I have no other specifications.

ASSISTANT: May I know your good name?

USER: I am Patricia Brown.

ASSISTANT: We found a connecting flight in Frontier airline with a fare of 100 which departs at 14:00 and return at 9:00. Shall I proceed for booking?

USER: Please confirm the booking.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1013.

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

ASSISTANT: Thank you for contacting us.