You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How may I address you?

USER: I am very much existed to go to Houston underground tunnel tour with my friends in Houston, HOU. Can you please help me in reservation with connected flight?

ASSISTANT: Sure, what may be your price limit?

USER: I need a flight with 200 ticket fare.

ASSISTANT: When you planning to travel?

USER: I want to start from Charlotte on 07/15.

ASSISTANT: Please provide your landing and boarding airport codes?

USER: And intend to return on 07/17 from Houston. My boarding point is Charlotte, CLT.

ASSISTANT: May I know your landing point?

USER: I already mentioned above.

ASSISTANT: We found a flight with price 100 and it is single connection flight. The Flight is 1004 in UA airline.

USER: Ok, please proceed.

ASSISTANT: To proceed with booking we need your name.

USER: Cynthia White is my name.

ASSISTANT: Your ticket has been confirmed. Thank you for opting us.

USER: Thank you for helping me in reservation.