You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I lend a hand to?

USER: I need to attend a music event at Houston, can you help me to book a flight ticket from BOS to IAH?

ASSISTANT: Sure, I am here to help you for this. Could you please share me your travel dates?

USER: My travel dates are July 06 and July 08.

ASSISTANT: Do you have any airline preference?

USER: I would like to prefer normal cost airline.

ASSISTANT: At what time are you planning to depart and return?

USER: I would like to return in the afternoon time.

ASSISTANT: Is there any other specifications regarding your journey?

USER: Yes, I need a lay by in between my journey.

ASSISTANT: Sorry for inconvenience, no reservation is found with your criteria.

USER: No problem, thank you for the information.

ASSISTANT: For documentation purpose, may I know your name please?

USER: My name is Emily Smith.

ASSISTANT: Thank you very much for contacting our agency.