You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a flight ticket from BOS to IAH to meet my friends.

ASSISTANT: Sure, may I know your planned trip dates?

USER: My planned trip dates are from Feb 14th to Feb 16th.

ASSISTANT: Do you have any connection limit?

USER: I prefer a single connection in between my journey.

ASSISTANT: May I know your good name?

USER: I am Katherine Baker.

ASSISTANT: Any other requirements to be met?

USER: Yes, I prefer to travel in a normal cost airline.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: No worries, thank you for the information.

ASSISTANT: Thank you for reaching us.