You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I want to reserve my ticket from DFW to ORD, can you please help me in booking?

ASSISTANT: May I know your desired travel dates please?

USER: Sure, my preferable dates of journey are from Mar, 19 to Mar, 21.

ASSISTANT: Do you have any specifications?

USER: Yes, I want to fly in a connecting flight.

ASSISTANT: May I know your name please?

USER: Sure, my name is John Hernandez.

ASSISTANT: There is a flight with connection limit 1 and fare 100, shall I proceed for booking?

USER: Ok, please book it.

ASSISTANT: Your ticket is booked, flight number 1009 with Delta Airlines.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank you for opting us.