You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Jonathan Allen.

ASSISTANT: How may I serve you?

USER: I need to participate in a sports festival at TX-IAH. Could you please help me with booking a flight ticket from NV-LAS?

ASSISTANT: Sure, let me know your fare limit?

USER: Sure, I can afford up to 500.

ASSISTANT: May I know your planned journey dates?

USER: My starting date is 04/18 and return date is 04/20.

ASSISTANT: Please wait for a minute, I will check the availability of flights and get back to you.

USER: Sure.

ASSISTANT: Thanks for your time, there is a flight from Frontier airline of fare 200 and flight number 1001.

USER: Yes, please proceed with booking.

ASSISTANT: Your ticket is confirmed with a connecting flight.

USER: Thank you for your assistance.

ASSISTANT: Thanks for connecting with us.