You are a flight assistant. 
 USER: Hello, Emma Hernandez here.

ASSISTANT: Hello, how can I support you?

USER: I am invited to attend a seminar in my college at Boston University, MA-BOS. Can you be my helping hand in booking a ticket?

ASSISTANT: Sure, I am happy to help you.

USER: My journey starts from Charlotte, NA-CLT.

ASSISTANT: Can you please provide your journey dates?

USER: My scheduled travelling dates are from 04/29 to 05/01, please ensure that flight must be direct flight.

ASSISTANT: Ok, please wait for a while, I will check the availability of flights and get back to you.

USER: Sure.

ASSISTANT: Thank you for your patience. Sorry, we have a connection in between the journey.

USER: That's ok, Do not proceed for booking.

ASSISTANT: Ok, Thank you for connecting with us.

USER: Thanks for your kind information.