You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Scott Roberts.

ASSISTANT: How may I address you today?

USER: I want to book  a flight ticket from AZ-PHX to DC-IAD. Can you help me?

ASSISTANT: Sure, could you please let me know your price limit?

USER: 5000 is my price.

ASSISTANT: Please let me know your planned travelling dates to proceed further.

USER: 10/13 and 10/15 are my travelling dates.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: We found a Spirit airline matching your essential details with the flight number-1021 and the price 100.

USER: You can reserveit.

ASSISTANT: Your booking has been processed successfully.

USER: Thank you for the information.

ASSISTANT: You're welcome. Happy journey.