You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you help me to book a flight ticket from Houston, HOU to Denver, DEN?

ASSISTANT: Sure, can you please share your travelling dates?

USER: Ok, please can you book a ticket for the dates Jan 10th and Jan 12th?

ASSISTANT: Do you need any break in between the journey?

USER: Ok, please book a connecting flight.

ASSISTANT: Ok, please share your specifications.

USER: There no other intent to share.

ASSISTANT: May I know your name please?

USER: Ok, my name is Frank Carter.

ASSISTANT: Ok, please wait a minute.

USER: Ok, please take your own time.

ASSISTANT: Thank you for your time, sorry no flights found with your details.

USER: That is ok, thank you for assisting me.

ASSISTANT: Thank you for reaching us, have a nice day.