You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you?

USER: I am Andrew Thompson. I would like to head to BOS to attend my sister's marriage. Can you help me in booking a flight ticket on 02/13?

ASSISTANT: When do you want to return?

USER: I want to catch a return flight on 02/15.

ASSISTANT: Where do you want to reach?

USER: I need travel from CLT to Boston.

ASSISTANT: Do you have any connection limit?

USER: I need one connection in my journey.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there are no direct flights found.

USER: Ok. Thank you for your response.

ASSISTANT: Thanks for contacting us, have a nice day.