You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Carolyn Garcia here.

ASSISTANT: How can I help you Carolyn Garcia?

USER: I want to book my flight ticket from CLT to BOS. Can you help me in this?

ASSISTANT: Sure, I am here to help you. Can you please provide your planned dates of journey?

USER: My journey dates are from 11/02 to 11/04.

ASSISTANT: Wait a moment please, let me find the best services on this route.

USER: Ok.

ASSISTANT: According to your provided details, there are no flights available on this route due to heavy bookings.

USER: Oh!. It's ok.

ASSISTANT: Sorry for inconvenience.

USER: It's fine, thank you for searching.

ASSISTANT: Thank you for contacting us.