You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Benjamin Evans.

ASSISTANT: Yes, Evans.

USER: Please book me a ticket from DCA to HOU to meet my friends?

ASSISTANT: Sure, I can book the ticket for you. Can you please provide me your preferable travel dates?

USER: I have planned to travel on 04/13 and 04/15.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: JetBlue airlines is having a light on that route with travel charge of 200, shall I proceed for booking?

USER: Ok, please book this ticket.

ASSISTANT: I have successfully booked your ticket with flight-1019, have a safe journey.

USER: Thank you.

ASSISTANT: Thank you for choosing us.