You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I assist you?

USER: I want to book a connecting flight ticket to meet my parents at TX. Can you help me?

ASSISTANT: Sure, May I know the journey dates?

USER: Thank you. Apr 27th and 29th are my travelling dates.

ASSISTANT: Please help me with your journey codes.

USER: BOS and IAH are my nearest airport codes.

ASSISTANT: Do you have any connection limit?

USER: I have already mentioned it above.

ASSISTANT: Sorry, Do you have any airline preference?

USER: No.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: May I know your name?

USER: Sure, Myself Matthew Turner.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: No issue. Thank you.

ASSISTANT: Thank you for opting us.