You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I serve you?

USER: Jonathan Lee here. I'm planning to attend a wedding, please book a ticket from ORD to HOU.

ASSISTANT: Sure, May I know the journey dates?

USER: Sure, my planned departure and return travel dates are 18th and 20th of January.

ASSISTANT: Do you have any preference in return time?

USER: Yes, I want to return in the morning.

ASSISTANT: Do you have any other requirements?

USER: Yes, I need maximum connection of 1 in between my journey.

ASSISTANT: Please wait a moment.

USER: Sure, take your own time.

ASSISTANT: Sorry, No flights found with your preferable dates.

USER: Oh! That's ok, thanks for giving the information.

ASSISTANT: Thank you for reaching us.