You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your name please?

USER: My name is Brenda Lewis.

ASSISTANT: Lewis, how can I help you?

USER: I am fond of shopping, this week I am planning to visit Faneuil Hall at Boston. Can you find me a ticket for me?

ASSISTANT: Sure, may I know your source and destination codes?

USER: My nearest airport code is LAS and my destination airport code is BOS.

ASSISTANT: Certainly, could you please share your preferable travelling dates?

USER: My preferable journey dates are from 10/17 to 10/19.

ASSISTANT: Unfortunately, no flights found in your planned dates Lewis.

USER: Ok, no issues. I will choose any other mode of transport to reach Boston.

ASSISTANT: Ok.

USER: Anyway, thank you for your quick response.

ASSISTANT: Thank you for connecting with us.