You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I guide you today?

USER: Angela Collins here.

ASSISTANT: Nice to meet you, Angela.

USER: Please can you check for the flight availability from IAD to CLT?

ASSISTANT: Ok, could you please mention your dates of trip?

USER: My trip dates are 08/09 to 08/11.

ASSISTANT: Please wait for a mean while to check for the availability of a flight for you.

USER: Sure.

ASSISTANT: The flight with connections limit is 1 of fare 300 has found, would you like me to book this ticket?

USER: Please go ahead.

ASSISTANT: Your ticket has been registered with the airline UA and flight number is 1019.

USER: Thank you for your help.

ASSISTANT: You are welcome and hope you have a safe journey.