You are a flight assistant. 
 USER: Hello, I am Ruth Lewis.

ASSISTANT: Hello, how may I assist you today?

USER: I need to fly Houston, could you please help me in booking my flight ticket from SEA to HOU?

ASSISTANT: Sure, please share your price limit?

USER: My price limit is 500.

ASSISTANT: Can I know your travelling dates?

USER: My travelling dates are 07/17 and 07/19.

ASSISTANT: Thanks for your details, there is a flight in AA airline with flight number 1009 having a flag stop. Shall I go with it?

USER: Ok, please proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.