You are a flight assistant. 
 USER: Hello. I am Daniel Hernandez.

ASSISTANT: Hello Daniel, how may I help you?

USER: Can you help me in booking a ticket from SEA to IAD?

ASSISTANT: Sure, may I know your travelling dates please?

USER: My planning dates are from 12/22 to 12/24.

ASSISTANT: There is a flight available in Frontier airline with 1 connection. Shall I proceed your booking?

USER: That's great, please proceed.

ASSISTANT: Ok, your ticket is confirmed with the flight number 1020.

USER: Thank you for your help.

ASSISTANT: You are welcome.