You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I want to reserve my ticket from HOU to PHL, can you please help me in booking?

ASSISTANT: May I know your trip dates?

USER: Sure, my planned dates of journey are from Jul, 06 to Jul, 08.

ASSISTANT: Is there any connection limit?

USER: Yes, I need a connecting flight.

ASSISTANT: May I know your good name?

USER: Sure, my name is Helen Clark.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: There were no flights found with your required dates to travel.

USER: Ok, no problem. Anyways, thank you for your service.

ASSISTANT: Thank you for choosing us.