You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you now?

USER: I want to visit Houston in middle of 5th month, can you please book a flight ticket for me?

ASSISTANT: Sure, I will help you with that.

USER: Thanks.

ASSISTANT: Can I have your travel dates please?

USER: My departure date is 05/19 and please book my return ticket also on 05/21.

ASSISTANT: Ok, please let me know airport codes too.

USER: I want to fly from LAS airport and destination airport is HOU.

ASSISTANT: Ok, please be hold on for a moment.

USER: Ok.

ASSISTANT: Yes, I have found a flight in Spirit airlines with connenction 1 and price 100, is it ok for you?

USER: Please book this flight ticket under my name Daniel Mitchell.

ASSISTANT: Ok Daniel, I have confirmed a ticket with flight number 1009.

USER: Thank you for your help.

ASSISTANT: Most welcome. Thank you for choosing us, have a great journey.