You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you at this moment?

USER: I am Joseph Campbell.

ASSISTANT: Welcome to flight booking agency Campbell.

USER: I would like to book a ticket to Dallas, can you please help me out?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Can you please provide your origin and destination airport codes for booking?

USER: I am flying from CLT to DFW.

ASSISTANT: Ok, may I know your preferable dates of travelling?

USER: I am travelling on these dates 07/15 and 07/17.

ASSISTANT: Please wait a moment to check the flights availability.

USER: Sure.

ASSISTANT: Based on your information, I have found a flight with 1 connection with the fare of 1025 from UA airlines. Shall I proceed with this?

USER: Sure, you can proceed with this flight.

ASSISTANT: Ok, your flight ticket is reserved.

USER: Thank you for your services.

ASSISTANT: Thank you for reaching us, hope you have a great journey.