You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Sandra Williams here.

ASSISTANT: How may I help you now?

USER: I want to reserve my ticket from BOS to CLT, can you please help me?

ASSISTANT: Sandra Williams, may I know your travelling dates?

USER: Sure, my planned dates of journey are from Dec, 28 to Dec, 30.

ASSISTANT: Do you need a direct flight?

USER: No, I need a connecting flight.

ASSISTANT: Sorry to tell you there are no flights available for your journey.

USER: Ok, no problem.

ASSISTANT: Thank you for choosing our services.

USER: Anyways, thank you for your service.

ASSISTANT: Most welcome.