You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I guide you at this moment?

USER: I am Eric Lewis. I want to book a ticket from SEA to CLT, can you help me?

ASSISTANT: Sure, can you please let me know your travelling dates?

USER: My travel dates are Aug 15 and Aug 17.

ASSISTANT: Do you need any lay by in between journey?

USER: I need a connecting flight.

ASSISTANT: Do you have any particular time for departing and returning?

USER: I want to depart in the evening.

ASSISTANT: Ok, Do you have any class preference?

USER: No.

ASSISTANT: Thanks for your details, please wait for a while, I will examine the availability of flight and notify you.

USER: Sure.

ASSISTANT: Thank you for your time, we have found a Delta airline, flight number-1021, connections-1 and ticket-300. Would you like me to proceed next?

USER: You can book it.

ASSISTANT: Sure, a seat has been reserved successfully for a economy class flight.

USER: Thank you for booking.

ASSISTANT: Thank you for your presence. We hope to serve you again.