You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I serve you?

USER: I am looking for a connecting flight, could you please help me with finding a flight ticket with my requirement?

ASSISTANT: Sure, May I know the journey codes?

USER: My source airport code is BOS and destination airport code is DFW.

ASSISTANT: Please help me with your travelling dates.

USER: I would like to depart on Mar 26th and return on Mar 28th.

ASSISTANT: Is there any other requirements?

USER: I am looking for a connecting flight.

ASSISTANT: May I know your name?

USER: I am Joshua Edwards.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Anyways, thank you for the information. Ok, not an issue.

ASSISTANT: Thank you for availing us.