You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: My name is William Clark.

ASSISTANT: Clark, how can I help you?

USER: I want to travel from EWR to IAD for attending a seminar.Could you please help me for booking a ticket?

ASSISTANT: Sure, I can book your ticket. On which day you want to fly?

USER: The travel dates are from 02/12 to 02/14.

ASSISTANT: Let me check, please wait.

USER: Ok.

ASSISTANT: Flight number 1016 of Frontier airlines is available for you. Do you have any more requirements?

USER: Yes, you can proceed with that.

ASSISTANT: Sure. Clark, your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us, have a safe and happy journey.