You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How May I aid you?

USER: I am Kenneth Jones. I would like to book a ticket in an emergency as my relative got hospitalised, can you please book me a ticket from HOU to OAK?

ASSISTANT: Sure, I will help you in finding a flight for you. May I know your travelling dates please?

USER: My departure and arrival dates are 10/28 and 10/30, Make my booking as early as possible so that I can reach my destination soon.

ASSISTANT: Sure, just give me some time I will get back with flight details.

USER: Please be quick.

ASSISTANT: I am Sorry to inform you that, no flights found on your route.

USER: Please make one more try. I don't have time to go for another agency.

ASSISTANT: Sure, do you have any other dates to travel?

USER: Sorry, I don't have others dates to move because it is an emergency meet. Anyway thank you I will look for another alternative.

ASSISTANT: I am sorry for your inconvenience, hope we serves you better for the next time.

USER: Thank you for your services.

ASSISTANT: Thank you for choosing us.