You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Alexander Perez here.

ASSISTANT: How can I aid you at this moment?

USER: Can you please check for the flights on the route from DCA to SFO? As I want to meet my parents.

ASSISTANT: Sure, I am here to help you. Can you please provide your journey dates?

USER: My journey dates are from April 10th to April 12th.

ASSISTANT: Do you need any halt in this journey?

USER: I need 1 halt only.

ASSISTANT: Do you have any other specification for this trip?

USER: No, thank you for asking.

ASSISTANT: Spirit airlines is providing connecting flight on this route with a ticket fare of 100, shall I book your ticket?

USER: Yes, please proceed with booking.

ASSISTANT: Alexander Perez, your ticket is booked in flight number 1019.

USER: Thank you for helping me.

ASSISTANT: Thank you and have a safe journey.

USER: Welcome.