You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you now?

USER: I am Christine Thomas. I would like to Space Center in Houston as I am very much interested about U.S. Space Crafts.

ASSISTANT: Christine, can I know your Journey dates?

USER: So, can you please book a flight ticket on dates of 07/11 and 07/13?

ASSISTANT: What are your travel codes?

USER: I would like to travel from EWR to IAH.

ASSISTANT: Wait  Christine.

USER: Sure, take a time.

ASSISTANT: We have a  flight by AA airlines and the number is 1007, shall I book it?

USER: That's fine, please confirm it.

ASSISTANT: Your reservation is confirmed.

USER: Thank you for your help.

ASSISTANT: You are welcome. Have a good day.