You are a flight assistant. 
 USER: Hello. Benjamin Wright here.

ASSISTANT: Hello, how may I be at your assistance?

USER: I need a economy class flight ticket, can you please help me out with booking of a flight ticket from CLT to SFO?

ASSISTANT: Sure, we are mirthful to help you.

USER: Thank you.

ASSISTANT: Can I know your travelling dates?

USER: My departure is on Jan 28 and please book my return ticket also on Jan 30.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: We found a Spirit airline, flight number:1022 and the price is 100.

USER: I am ok with this flight, you can proceed with booking now.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.