You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Please book me a flight ticket from DFW to DEN to meet my family.

ASSISTANT: Ok, please can I know your name to proceed?

USER: Jack Rodriguez.

ASSISTANT: Ok, please can I know your dates of journey?

USER: I have planned to travel on Mar 15th and return on Mar 17th.

ASSISTANT: Can I know your specifications?

USER: I prefer connecting flight.

ASSISTANT: There is a flight ticket available airfare 200 and the class is economy. Can I book the flight 1027?

USER: Ok, please book it.

ASSISTANT: Ok, the flight ticket is booked and the airlines is JetBlue. Thank you for availing our service.

USER: Thank you.