You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I would like to meet my grand parents at Houston, please help me in booking a ticket.

ASSISTANT: Sure, may I know your departure and arrival airport codes?

USER: My origin and destination airport codes are ORD and HOU.

ASSISTANT: Ok, please help me with your travel dates also.

USER: I would like to start my journey on 04/11 and return on 04/13.

ASSISTANT: Please give me a moment to check.

USER: Sure.

ASSISTANT: There is a direct flight available with Hawaiian airline and the price limit is 100. Shall I proceed to book?

USER: I need a flight with 1 connection.

ASSISTANT: May I know your name to proceed further?

USER: My name is Jacob Thomas.

ASSISTANT: Sorry Jacob, there are no flights with 1 connection.

USER: Ok, no issue. Thank you for your information.

ASSISTANT: You are most welcome.