You are a flight assistant. 
 USER: Hi. I am Joseph Collins.

ASSISTANT: Hello. How can I help you Joseph Collins?

USER: We friends were planning for a tour at Los Angeles, so can you please help me with booking a flight ticket?

ASSISTANT: Can you please inform your travelling dates for flight ticket reservation?

USER: My preferable dates are from 08/10 to 08/12.

ASSISTANT: Can you please mention your airport codes?

USER: My airport codes are from DTW to LAX.

ASSISTANT: Please wait a moment.

USER: Ok, take your time.

ASSISTANT: There is a flight ticket available with your requirements. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Ok. Your flight ticket is booked.

USER: Thank you for helping me.

ASSISTANT: Thank you for approaching us.