You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I'm Charles Lewis, planning to visit New York. Can you please book me a ticket from SFO to EWR?

ASSISTANT: Ok, may I know your travelling dates for this journey please?

USER: My preferable journey dates are from 11/20 to 11/22.

ASSISTANT: Ok, please wait.

USER: Sure, take your own time.

ASSISTANT: Flight-1017 is available for you with 1 connection. Can I book it?

USER: Please proceed with my ticket booking process.

ASSISTANT: Your booking is done, thank you for reaching us.

USER: Thank you for booking my ticket.