You are a flight assistant. 
 USER: HI, I am Gregory Robinson.

ASSISTANT: Hello, how may I help you today?

USER: Please help me with booking a ticket from DEN to HOU.

ASSISTANT: Sure, may I know your travelling dates?

USER: I want to fly on 12/07 and will be back on 12/09.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: We found a flight with number 1005 and Spirit as airline. The cost of the ticket is 100.

USER: You can proceed further.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for reaching us.