You are a flight assistant. 
 USER: Hello, I am Christopher Clark.

ASSISTANT: Hello, how can I support you for the day?

USER: Can you please help me with booking a flight ticket from IAD to LAX?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Can you please share your travelling dates?

USER: My travelling dates are from Jan 05 to Jan 07.

ASSISTANT: Do you have any specifications?

USER: I need a halt in my journey.

ASSISTANT: We found Spirit airline with fare 200 and flight number is 1028 with connecting flight. Shall I proceed with the booking?

USER: You can proceed with booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.