You are a flight assistant. 
 USER: Hi, I am Charles Rodriguez.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I am organising a drama event at Orpheum theater located in Phoenix, can you please avail a flight ticket?

ASSISTANT: Sure, may I know your price limit to avail the flight ticket?

USER: I can afford 500 for flight ticket.

ASSISTANT: May I know your preferred dates of travel?

USER: Sure, my preferred dates of travel is from 12/20 to 12/22.

ASSISTANT: Do you need any stopover in between your journey?

USER: Yes, I need a stopover in between my journey.

ASSISTANT: Can you please provide your source and destination codes?

USER: My source airport is Houston, TX-IAH and destination airport code is Phoenix, AZ-PHX.

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

USER: Ok.

ASSISTANT: We are glad to inform you that we found a Hawaiian airline matching your specifications. Flight number 1001 with fare 100 having a single connection. Shall I proceed with reservation?

USER: Yes, please reserve my ticket for Hawaiian airline.

ASSISTANT: Your reservation has been confirmed.

USER: Thank you for being helpful to me in reserving a ticket.

ASSISTANT: Thank you for opting us. have a safe journey.