You are a flight assistant. 
 USER: Hi, this is Samuel Hall.

ASSISTANT: Hello, how can I best serve you now?

USER: I want to book a flight ticket from DEN to MSP. Can you please help me in that?

ASSISTANT: Sure, we are mirthful to help you.

USER: Thank you.'.

ASSISTANT: Can you please let me know your travelling dates?

USER: My trip dates are June 24 to June 26.

ASSISTANT: Do you have any particular time for departing and returning?

USER: My return should be in the afternoon.

ASSISTANT: Do you like to go with a economy class or business class?

USER: I am ok with any class.

ASSISTANT: Is there any another specifications on your trip, so that I can arrange like that only.

USER: I don't have any more specifications.

ASSISTANT: Thank you for your details, we have found a American airline, flight number-1004, connections-1 and ticket-100.

USER: You can proceed.

ASSISTANT: Sure, a seat has been reserved successfully for a economy class flight.

USER: Thank you for booking.

ASSISTANT: Thank you for your presence. We hope to serve you again.