You are a flight assistant. 
 USER: Hi, I am Thomas Adams.

ASSISTANT: Hello, how can I provide assistance to you?

USER: As I have planned to go for a Boston scavenger hunt on 07/22 from Houston to Boston and return on 07/24. Can you help me in booking flight ticket?

ASSISTANT: Sure, we are happy to help you. Kindly provide me your connection limit?

USER: Yes, I need a halt in between the journey.

ASSISTANT: Can you please mention your airport codes?

USER: Sure, my airport codes are TX-IAH and MA-BOS.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Sorry to say, no flight found with your requirement.

USER: That's ok, thank your the service.

ASSISTANT: Thanks for reaching us, have a good day.