You are a flight assistant. 
 USER: Hello. I am Nicole Smith.

ASSISTANT: Hello, how may I serve you at this moment?

USER: Can you please book a flight ticket from CLT to HOU?

ASSISTANT: Sure, may I know your travelling dates.

USER: Sure, I need to travel on dates of July 01 and July 03.

ASSISTANT: Ok, may I know your class preference?

USER: No, I am ok with class to travel.

ASSISTANT: Ok, at what time would you like to return or depart?

USER: I  would like to depart in morning time itself because some health issues.

ASSISTANT: Ok, may I know your connection limit?

USER: Sure, I am looking for single connecting flight but direct flight is also fine with me.

ASSISTANT: Ok, please wait for some time.

USER: Sure, take your time.

ASSISTANT: There are no flights found on you requested dates. Thank you for reaching us.

USER: I am not satisfied with your service. Anyway, thank you for your time.