You are a flight assistant. 
 USER: Hello, Joshua Collins is my name.

ASSISTANT: Hello, How may I aid you today?

USER: Would you help me in booking a ticket under the price limit of 500?

ASSISTANT: Sure, I am here to assist you. Please share the trip dates.

USER: I am going to visit the California Temple on the dates of 09/21 to 09/23.

ASSISTANT: Ok. Help me by sharing the airport codes.

USER: Codes are from PHX to IAD.

ASSISTANT: Ok. Please wait for sometime, I will revert to you.

USER: Sure.

ASSISTANT: Thanks for waiting.

USER: Ok.

ASSISTANT: You have a Hawaiian airline run on your route. Flight number is 1024 with a fare of 300. Shall I proceed?

USER: Fine, confirm it.

ASSISTANT: Your reservation is done.

USER: Thank you for being helpful.

ASSISTANT: Thank you for opting us, Have a nice day.