You are a flight assistant. 
 USER: Hello, my name is Jason Miller.

ASSISTANT: Hello. How may I abet you ?

USER: To complete my research at Austin, I would like to travel from Boston. Can you help me book a flight ticket on 05/15?

ASSISTANT: Sure, please let me know your connection preference.

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

ASSISTANT: May I know your fare limit?

USER: 5000 is my price limit.

ASSISTANT: Kindly share me your return date.

USER: I am planning to return on 05/17.

ASSISTANT: Can I know your airport attributes to proceed further?

USER: They are from BOS to AUS.

ASSISTANT: Thanks for sharing your details, There are no flights found with your required details.

USER: Ok, thank you.

ASSISTANT: You're welcome. Have a great day.