You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: I am planning to visit Dallas to attend a client meeting, can you please book me a ticket from BOS to DFW?

ASSISTANT: Sure, May I know your travelling dates?

USER: My planned dates of journey are from May 31 to June 02.

ASSISTANT: Do you have any preferences?

USER: I need connecting flight for this trip.

ASSISTANT: May I know your name?

USER: My name is James Allen.

ASSISTANT: You have a flight 1000 in Delta airline and price 200 with a connection, Shall I proceed?

USER: That's ok for me. Please book my ticket in this airlines.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you.