You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to book a flight ticket from LAS to IAD, so please help me in booking a flight ticket.

ASSISTANT:    Sure, please share your travelling dates.

USER: I would like to fly on May 16 and return on May 18.

ASSISTANT: Ok, do you need any connection in between the journey?

USER: Yes, I need a single connection.

ASSISTANT: Ok, please let me know if you have any other specifications.

USER: I would like to return in the afternoon time.

ASSISTANT: Ok, may I know your name for further process?

USER: Myself Raymond Robinson.

ASSISTANT: Ok, please stand by.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry to inform no flights found with your details.

USER: Not an issue.

ASSISTANT: Thank you for reaching us, have a good day.

USER: Thank you.