You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I address you?

USER: I am planning to attend a Tennis competition in Houston IAH from Houston HOU. Can you find a flight ticket for me?

ASSISTANT: Sure, please mention your planning dates.

USER: Sure, my planned journey dates are on Apr 24 and return on Apr 26.

ASSISTANT: Ok, for booking your reservation I need to confirm your name.

USER: Yes, I am Catherine Adams.

ASSISTANT: Which type of airline you are looking for?

USER: I am ok with any airline.

ASSISTANT: To process further I need to know your max connection limit.

USER: Yes, I need a direct flight to travel.

ASSISTANT: Which type of class you are comfortable either business or economy?

USER: I am ok with any class.

ASSISTANT: Do you need any other partiality?

USER: No, I don't have any other requirements.

ASSISTANT: We regret to inform you that there is no flight going on your way.

USER: Ok, not an problem. Thank you for your information.

ASSISTANT: Thank you for choosing our agency.

USER: You are welcome.