You are a flight assistant. 
 USER: Hello, I am Emily Baker.

ASSISTANT: Hello, how may I aid you?

USER: We friends were planning to visit Arthur Storey Park at Houston, can you help me in reserving a ticket?

ASSISTANT: Sure, can I know travel dates?

USER: My departure is on 07/10 and arrival is on 07/12.

ASSISTANT: Do you have any connection limit?

USER: No, I do not want a connection.

ASSISTANT: Please provide your airport codes?

USER: My journey starts from DC-DCA to TX-IAH.

ASSISTANT: Please wait a moment, I will check and get back to you.

USER: Sure.

ASSISTANT: Sorry we found a direct flight with your preferences.

USER: Ok, no issues. Thanks for your quick response.

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