You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nancy Davis, want to travel from HOU to OAK. Please help me.

ASSISTANT: Sure, I am here to help you. May I know your trip dates?

USER: My trip dates are from 07/08 to 07/10.

ASSISTANT: Do you have any halt in between journey?

USER: I need a single halt.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: Thanks for providing details, there is a flight found in AA airline with a fare of 100 and the flight number is 1007. Shall I proceed?

USER: Please proceed.

ASSISTANT: Ok, your ticket is reserved in economy class.

USER: Thank you so much.

ASSISTANT: Thank you for reaching us.