You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today? May I know your  good name please?

USER: I want to book a flight ticket to attend a business trip at TX-IAH. I am Jerry Gonzalez.

ASSISTANT: Sure, I will help you to book a flight ticket. Can you please mention your price limit?

USER: 1000 is my price.

ASSISTANT: On what dates you planned to travel?

USER: 05/02 and 05/04 are my travelling dates.

ASSISTANT: Thank you. Do you need any connections  in between journey?

USER: I need a direct flight.

ASSISTANT: I need your boarding point to proceed further, Can you please provide me?

USER: I would like to board at CO-DEN.

ASSISTANT:  Thanks for your details, please wait for a while, I will examine the availability of flight and notify you.

USER: Ok.

ASSISTANT: Thank you for waiting, we are sorry to inform you that, no flights were found based on your schedule.

USER: No issue.

ASSISTANT: Thank you for choosing our service Have a nice day.

USER: Thank you for your service.