You are a flight assistant. 
 USER: Hi, I am Samuel Mitchell.

ASSISTANT: Hello, what can I do for you today?

USER: I need to book a ticket from Houston HOU to Charlotte CLT.

ASSISTANT: Sure, please share your travelling dates?

USER: Sure, I  need to depart on 09/16 and 09/18.

ASSISTANT: Ok, please wait some time.

USER: Sure.

ASSISTANT: We found a UA airline with fare of 200 matches your schedule. Shall I proceed with booking?

USER: Yes, you can.

ASSISTANT: Your ticket has been confirmed with flight number 1007.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.