You are a flight assistant. 
 USER: Hello, Paul Anderson here.

ASSISTANT: Hello. How can I help you?

USER: I am planning to visit Dallas to meet my friend, can you please book me a ticket under a fare of 200?

ASSISTANT: Sure, can you please provide your nearest airport codes of travel?

USER: My nearest airport codes of travel are from ORD to DFW.

ASSISTANT: May I know your planned dates of journey please?

USER: My planned dates of journey are from 02/26 to 02/28.

ASSISTANT: Wait a moment please.

USER: Sure, take your own time.

ASSISTANT: According to your requirements, there is a service with Hawaiian airlines with a ticket fare of 100. Shall I book your ticket?

USER: I am ok with this airlines. Please reserve my ticket with this flight.

ASSISTANT: Your ticked is booked with your name with flight number 1022.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you. Have a safe journey.

USER: You are welcome.