You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. May I know your name?

USER: I am Alexander Nelson.

ASSISTANT: Nice to meet you Alexander Nelson, how may I help you?

USER: I have to attend a meeting at White House, please book a ticket for me.

ASSISTANT: Sure, can I know your travelling details please?

USER: Sure, I will go on 03/04 and return on 03/06. My origin airport code is DCA and I will be land on IAD.

ASSISTANT: There is  a flight available with us with your provided details from Frontier airline with flight number 1024. Do you like to proceed?

USER: Please proceed.

ASSISTANT: Your ticket has booked.

USER: Thank you for your help.

ASSISTANT: Most welcome.