You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Barbara Moore here. I want to book a flight ticket from PHL to DEN. Can you help me in that?

ASSISTANT: Sure, please share me your trip dates.

USER: My trip dates are July 12 to July 14.

ASSISTANT: Do you want to travel in connecting flight or direct flight?

USER: I need a connecting flight.

ASSISTANT:  Please share if you want to travel in any specific time?

USER: My return should be in the evening.

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

USER: I am ok with any class.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We found a Hawaiian airline and 1007 is flight number with a fare of 100. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.