You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I am Barbara Lee here, I want to reserve my ticket from HOU to OAK, can you please help me/.

ASSISTANT: Sure, I am happy to help you with that. Can I have your travel dates?

USER: Sure, my planned dates of travel is from 06/28 to 06/30.

ASSISTANT: Ok, please wait a moment to check flight availability. Do you have any limits regarding connections limits?

USER: Sure, I will wait. Yes, my connections limit is 1.

ASSISTANT: Sorry Barbara Lee, no flight is available to you with connection 1 on your dates.

USER: Ok, not an issues.

ASSISTANT: Thank you for choosing us, have a good day.

USER: Anyways, thank you for your service.

ASSISTANT: Most welcome.